{ "schemaVersion": 1, "title": "IMAP and SMTP provider compatibility dataset", "description": "Connection settings and pre-login capabilities of public mail providers, read from a live TLS probe.", "publisher": "MCPEmails", "homepage": "https://mcpemails.com/docs/providers/data", "license": "https://creativecommons.org/licenses/by/4.0/", "probedOn": "2026-08-31", "method": "TLS handshake validated against the hostname, then IMAP CAPABILITY and SMTP EHLO. No login, no mail read.", "fields": [ { "key": "slug", "doc": "Stable identifier, also the /connect/ page." }, { "key": "name", "doc": "Provider name." }, { "key": "domain", "doc": "Main consumer address domain, or empty for hosts that serve your own domain." }, { "key": "category", "doc": "consumer, business, hosting, cpanel, privacy, isp, regional or selfhost." }, { "key": "imapHost", "doc": "IMAP server hostname. The certificate was validated against it." }, { "key": "imapPort", "doc": "IMAP port." }, { "key": "imapSecurity", "doc": "tls (implicit TLS) or starttls." }, { "key": "imapAuth", "doc": "SASL mechanisms the IMAP server advertises before login (AUTH=)." }, { "key": "saslIr", "doc": "Whether the server advertises SASL-IR (credentials sent with the AUTHENTICATE command in one round trip)." }, { "key": "smtpHost", "doc": "SMTP submission hostname." }, { "key": "smtpPort", "doc": "SMTP submission port." }, { "key": "smtpSecurity", "doc": "tls (implicit TLS) or starttls." }, { "key": "smtpAuth", "doc": "SASL mechanisms in the EHLO reply. Empty when the server only lists them after STARTTLS." }, { "key": "smtpMaxSizeMb", "doc": "SMTP SIZE limit in MiB, for the whole encoded message. Attachments grow by about a third in base64." }, { "key": "oauthAdvertised", "doc": "Whether IMAP advertises XOAUTH2 or OAUTHBEARER. Advertised is not the same as open to third-party apps." }, { "key": "settingsSource", "doc": "Where the hosts and ports came from: ispdb+probe (Thunderbird ISPDB) or vendor+probe (vendor documentation)." }, { "key": "probedOn", "doc": "Date of the probe (YYYY-MM-DD)." }, { "key": "page", "doc": "Setup guide for connecting this provider to an AI assistant." } ], "providers": [ { "slug": "aliyun", "name": "Alibaba Mail", "domain": "aliyun.com", "category": "regional", "imapHost": "imap.aliyun.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "EXTERNAL", "XOAUTH", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.aliyun.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN", "XALIOAUTH", "XOAUTH2" ], "smtpMaxSizeMb": null, "oauthAdvertised": true, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/aliyun" }, { "slug": "aol", "name": "AOL Mail", "domain": "aol.com", "category": "consumer", "imapHost": "imap.aol.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.aol.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": 39.8, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/aol" }, { "slug": "att", "name": "AT&T Mail", "domain": "att.net", "category": "isp", "imapHost": "imap.mail.att.net", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.mail.att.net", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": 39.8, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/att" }, { "slug": "bluewin", "name": "Bluewin (Swisscom)", "domain": "bluewin.ch", "category": "isp", "imapHost": "imaps.bluewin.ch", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtpauths.bluewin.ch", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 25, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/bluewin" }, { "slug": "bol", "name": "BOL", "domain": "bol.com.br", "category": "regional", "imapHost": "imap.bol.com.br", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "smtps.bol.com.br", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 33.3, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/bol" }, { "slug": "centurylink", "name": "CenturyLink", "domain": "centurylink.net", "category": "isp", "imapHost": "mail.centurylink.net", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN" ], "saslIr": false, "smtpHost": "smtp.centurylink.net", "smtpPort": 587, "smtpSecurity": "starttls", "smtpAuth": [ "LOGIN" ], "smtpMaxSizeMb": null, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/centurylink" }, { "slug": "comcast", "name": "Comcast Xfinity", "domain": "comcast.net", "category": "isp", "imapHost": "imap.comcast.net", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.comcast.net", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": 35, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/comcast" }, { "slug": "cox", "name": "Cox", "domain": "cox.net", "category": "isp", "imapHost": "export.imap.mail.yahoo.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.mail.yahoo.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": 39.8, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/cox" }, { "slug": "daum", "name": "Daum", "domain": "daum.net", "category": "regional", "imapHost": "imap.daum.net", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": true, "smtpHost": "smtp.daum.net", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 70, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/daum" }, { "slug": "disroot", "name": "Disroot", "domain": "disroot.org", "category": "privacy", "imapHost": "disroot.org", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "disroot.org", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 70, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/disroot" }, { "slug": "domeneshop", "name": "Domeneshop", "domain": "domeneshop.no", "category": "hosting", "imapHost": "imap.domeneshop.no", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": true, "smtpHost": "smtp.domeneshop.no", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 150, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/domeneshop" }, { "slug": "dreamhost", "name": "DreamHost", "domain": "dreamhost.com", "category": "hosting", "imapHost": "imap.dreamhost.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "smtp.dreamhost.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 39.1, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/dreamhost" }, { "slug": "earthlink", "name": "EarthLink", "domain": "earthlink.net", "category": "isp", "imapHost": "imap.earthlink.net", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "CRAM-MD5", "EL-TAC", "EL-VOICE" ], "saslIr": false, "smtpHost": "smtpauth.earthlink.net", "smtpPort": 587, "smtpSecurity": "starttls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 50, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/earthlink" }, { "slug": "fastmail", "name": "Fastmail", "domain": "fastmail.com", "category": "business", "imapHost": "imap.fastmail.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.fastmail.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": 67.7, "oauthAdvertised": true, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/fastmail" }, { "slug": "free-fr", "name": "Free", "domain": "free.fr", "category": "isp", "imapHost": "imap.free.fr", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": false, "smtpHost": "smtp.free.fr", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "CRAM-MD5", "DIGEST-MD5", "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 75, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/free-fr" }, { "slug": "freenet", "name": "freenet", "domain": "freenet.de", "category": "isp", "imapHost": "mx.freenet.de", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "mx.freenet.de", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 200, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/freenet" }, { "slug": "gandi", "name": "Gandi", "domain": "gandi.net", "category": "hosting", "imapHost": "mail.gandi.net", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": true, "smtpHost": "mail.gandi.net", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 34, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/gandi" }, { "slug": "gmx", "name": "GMX", "domain": "gmx.net", "category": "consumer", "imapHost": "imap.gmx.net", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "mail.gmx.net", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 135, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/gmx" }, { "slug": "godaddy", "name": "GoDaddy", "domain": "secureserver.net", "category": "hosting", "imapHost": "imap.secureserver.net", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": false, "smtpHost": "smtpout.secureserver.net", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 28.6, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/godaddy" }, { "slug": "google-workspace", "name": "Google Workspace", "domain": "workspace.google.com", "category": "business", "imapHost": "imap.gmail.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "OAUTHBEARER", "PLAIN", "PLAIN-CLIENTTOKEN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.gmail.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "OAUTHBEARER", "PLAIN", "PLAIN-CLIENTTOKEN", "XOAUTH", "XOAUTH2" ], "smtpMaxSizeMb": 34.2, "oauthAdvertised": true, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/google-workspace" }, { "slug": "hetzner", "name": "Hetzner", "domain": "hetzner.com", "category": "hosting", "imapHost": "mail.your-server.de", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "mail.your-server.de", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 100, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/hetzner" }, { "slug": "hostinger", "name": "Hostinger", "domain": "hostinger.com", "category": "hosting", "imapHost": "imap.hostinger.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "smtp.hostinger.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 46.5, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/hostinger" }, { "slug": "hushmail", "name": "Hushmail", "domain": "hushmail.com", "category": "privacy", "imapHost": "imap.hushmail.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": false, "smtpHost": "smtp.hushmail.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": null, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/hushmail" }, { "slug": "icloud", "name": "iCloud Mail", "domain": "icloud.com", "category": "consumer", "imapHost": "imap.mail.me.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "ATOKEN", "ATOKEN2", "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.mail.me.com", "smtpPort": 587, "smtpSecurity": "starttls", "smtpAuth": null, "smtpMaxSizeMb": 27, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/icloud" }, { "slug": "iinet", "name": "iiNet", "domain": "iinet.net.au", "category": "isp", "imapHost": "mail.iinet.net.au", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "mail.iinet.net.au", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 80, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/iinet" }, { "slug": "infomaniak", "name": "Infomaniak", "domain": "infomaniak.com", "category": "hosting", "imapHost": "mail.infomaniak.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": false, "smtpHost": "mail.infomaniak.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": null, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/infomaniak" }, { "slug": "interia", "name": "Interia", "domain": "interia.pl", "category": "isp", "imapHost": "poczta.interia.pl", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": false, "smtpHost": "poczta.interia.pl", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "LOGIN", "LOGIN", "PLAIN", "PLAIN", "PLAIN" ], "smtpMaxSizeMb": 150, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/interia" }, { "slug": "ionos", "name": "IONOS", "domain": "ionos.com", "category": "hosting", "imapHost": "imap.ionos.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "smtp.ionos.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 135, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/ionos" }, { "slug": "kolabnow", "name": "KolabNow", "domain": "kolabnow.com", "category": "privacy", "imapHost": "imap.kolabnow.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "smtp.kolabnow.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 80, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/kolabnow" }, { "slug": "kpn", "name": "KPN", "domain": "kpnmail.nl", "category": "isp", "imapHost": "imap.kpnmail.nl", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "smtp.kpnmail.nl", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN" ], "smtpMaxSizeMb": 50, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/kpn" }, { "slug": "laposte", "name": "La Poste", "domain": "laposte.net", "category": "isp", "imapHost": "imap.laposte.net", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": false, "smtpHost": "smtp.laposte.net", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 15.1, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/laposte" }, { "slug": "loopia", "name": "Loopia", "domain": "loopia.se", "category": "hosting", "imapHost": "mailcluster.loopia.se", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": true, "smtpHost": "mailcluster.loopia.se", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 200, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/loopia" }, { "slug": "mail-com", "name": "Mail.com", "domain": "mail.com", "category": "consumer", "imapHost": "imap.mail.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "smtp.mail.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 135, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/mail-com" }, { "slug": "mail-ru", "name": "Mail.ru", "domain": "mail.ru", "category": "consumer", "imapHost": "imap.mail.ru", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.mail.ru", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": 70, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/mail-ru" }, { "slug": "mailbox-org", "name": "mailbox.org", "domain": "mailbox.org", "category": "privacy", "imapHost": "imap.mailbox.org", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.mailbox.org", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": 137, "oauthAdvertised": true, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/mailbox-org" }, { "slug": "mailfence", "name": "Mailfence", "domain": "mailfence.com", "category": "privacy", "imapHost": "imap.mailfence.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": true, "smtpHost": "smtp.mailfence.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 47.7, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/mailfence" }, { "slug": "migadu", "name": "Migadu", "domain": "migadu.com", "category": "business", "imapHost": "imap.migadu.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": true, "smtpHost": "smtp.migadu.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 50, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/migadu" }, { "slug": "namecheap", "name": "Namecheap Private Email", "domain": "privateemail.com", "category": "hosting", "imapHost": "mail.privateemail.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "mail.privateemail.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 80, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/namecheap" }, { "slug": "naver", "name": "Naver", "domain": "naver.com", "category": "regional", "imapHost": "imap.naver.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": true, "smtpHost": "smtp.naver.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 38, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/naver" }, { "slug": "netease-126", "name": "NetEase 126", "domain": "126.com", "category": "regional", "imapHost": "imap.126.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.126.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": null, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/netease-126" }, { "slug": "netease-163", "name": "NetEase 163", "domain": "163.com", "category": "regional", "imapHost": "imap.163.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.163.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": null, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/netease-163" }, { "slug": "o2-pl", "name": "o2.pl", "domain": "o2.pl", "category": "isp", "imapHost": "poczta.o2.pl", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": false, "smtpHost": "poczta.o2.pl", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": null, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/o2-pl" }, { "slug": "one-com", "name": "One.com", "domain": "one.com", "category": "hosting", "imapHost": "imap.one.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "send.one.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 100, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/one-com" }, { "slug": "onet", "name": "Onet Poczta", "domain": "onet.pl", "category": "isp", "imapHost": "imap.poczta.onet.pl", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.poczta.onet.pl", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": 85.8, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/onet" }, { "slug": "online-no", "name": "Online.no", "domain": "online.no", "category": "isp", "imapHost": "imap.online.no", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN" ], "saslIr": true, "smtpHost": "smtp.online.no", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN" ], "smtpMaxSizeMb": 50, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/online-no" }, { "slug": "optus", "name": "Optus", "domain": "optusnet.com.au", "category": "isp", "imapHost": "mail.optusnet.com.au", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "mail.optusnet.com.au", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 80, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/optus" }, { "slug": "orange-fr", "name": "Orange", "domain": "orange.fr", "category": "isp", "imapHost": "imap.orange.fr", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "smtp.orange.fr", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 43.9, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/orange-fr" }, { "slug": "ovh", "name": "OVHcloud", "domain": "ovh.net", "category": "hosting", "imapHost": "ssl0.ovh.net", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "ssl0.ovh.net", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 100, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/ovh" }, { "slug": "posteo", "name": "Posteo", "domain": "posteo.de", "category": "privacy", "imapHost": "posteo.de", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "posteo.de", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 136.9, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/posteo" }, { "slug": "purelymail", "name": "Purelymail", "domain": "purelymail.com", "category": "business", "imapHost": "imap.purelymail.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": true, "smtpHost": "smtp.purelymail.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 48.8, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/purelymail" }, { "slug": "qq", "name": "QQ Mail", "domain": "qq.com", "category": "regional", "imapHost": "imap.qq.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.qq.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN", "XOAUTH", "XOAUTH2" ], "smtpMaxSizeMb": 70, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/qq" }, { "slug": "rackspace", "name": "Rackspace Email", "domain": "emailsrvr.com", "category": "business", "imapHost": "secure.emailsrvr.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": true, "smtpHost": "secure.emailsrvr.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 71.5, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/rackspace" }, { "slug": "riseup", "name": "Riseup", "domain": "riseup.net", "category": "privacy", "imapHost": "mail.riseup.net", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "mail.riseup.net", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 24.4, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/riseup" }, { "slug": "runbox", "name": "Runbox", "domain": "runbox.com", "category": "privacy", "imapHost": "mail.runbox.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": false, "smtpHost": "mail.runbox.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 130, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/runbox" }, { "slug": "sapo", "name": "SAPO", "domain": "sapo.pt", "category": "isp", "imapHost": "imap.sapo.pt", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": true, "smtpHost": "smtp.sapo.pt", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 30, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/sapo" }, { "slug": "seznam", "name": "Seznam", "domain": "seznam.cz", "category": "isp", "imapHost": "imap.seznam.cz", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.seznam.cz", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": 50, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/seznam" }, { "slug": "sina", "name": "Sina Mail", "domain": "sina.com", "category": "regional", "imapHost": "imap.sina.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [], "saslIr": false, "smtpHost": "smtp.sina.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": null, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/sina" }, { "slug": "soverin", "name": "Soverin", "domain": "soverin.net", "category": "privacy", "imapHost": "imap.soverin.net", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.soverin.net", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": 70, "oauthAdvertised": true, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/soverin" }, { "slug": "strato", "name": "STRATO", "domain": "strato.de", "category": "hosting", "imapHost": "imap.strato.de", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": false, "smtpHost": "smtp.strato.de", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 100, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/strato" }, { "slug": "t-online", "name": "T-Online", "domain": "t-online.de", "category": "isp", "imapHost": "secureimap.t-online.de", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [], "saslIr": false, "smtpHost": "securesmtp.t-online.de", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 50, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/t-online" }, { "slug": "telenet", "name": "Telenet", "domain": "telenet.be", "category": "isp", "imapHost": "imap.telenet.be", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": true, "smtpHost": "smtp.telenet.be", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 20, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/telenet" }, { "slug": "bigpond", "name": "Telstra BigPond", "domain": "bigpond.com", "category": "isp", "imapHost": "imap.telstra.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "smtp.telstra.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": 30, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/bigpond" }, { "slug": "terra", "name": "Terra", "domain": "terra.com.br", "category": "regional", "imapHost": "imap.terra.com.br", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "smtp.terra.com.br", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 40, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/terra" }, { "slug": "titan", "name": "Titan Email", "domain": "titan.email", "category": "business", "imapHost": "imap.titan.email", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": true, "smtpHost": "smtp.titan.email", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 50, "oauthAdvertised": false, "settingsSource": "vendor+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/titan" }, { "slug": "uol", "name": "UOL", "domain": "uol.com.br", "category": "regional", "imapHost": "imap.uol.com.br", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "smtps.uol.com.br", "smtpPort": 587, "smtpSecurity": "starttls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 33.3, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/uol" }, { "slug": "verizon", "name": "Verizon", "domain": "verizon.net", "category": "isp", "imapHost": "imap.aol.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.aol.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": 39.8, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/verizon" }, { "slug": "web-de", "name": "WEB.DE", "domain": "web.de", "category": "consumer", "imapHost": "imap.web.de", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "LOGIN", "PLAIN" ], "saslIr": true, "smtpHost": "smtp.web.de", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 135, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/web-de" }, { "slug": "yahoo", "name": "Yahoo Mail", "domain": "yahoo.com", "category": "consumer", "imapHost": "export.imap.mail.yahoo.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.mail.yahoo.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "OAUTHBEARER", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": 39.8, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/yahoo" }, { "slug": "yandex", "name": "Yandex Mail", "domain": "yandex.com", "category": "consumer", "imapHost": "imap.yandex.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN", "XOAUTH2" ], "saslIr": false, "smtpHost": "smtp.yandex.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN", "XOAUTH2" ], "smtpMaxSizeMb": 51, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/yandex" }, { "slug": "ziggo", "name": "Ziggo", "domain": "ziggo.nl", "category": "isp", "imapHost": "imap.ziggo.nl", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN" ], "saslIr": false, "smtpHost": "smtp.ziggo.nl", "smtpPort": 587, "smtpSecurity": "starttls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 30, "oauthAdvertised": false, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/ziggo" }, { "slug": "zoho", "name": "Zoho Mail", "domain": "zoho.com", "category": "business", "imapHost": "imap.zoho.com", "imapPort": 993, "imapSecurity": "tls", "imapAuth": [ "PLAIN", "XOAUTH2" ], "saslIr": true, "smtpHost": "smtp.zoho.com", "smtpPort": 465, "smtpSecurity": "tls", "smtpAuth": [ "LOGIN", "PLAIN" ], "smtpMaxSizeMb": 31, "oauthAdvertised": true, "settingsSource": "ispdb+probe", "probedOn": "2026-08-31", "page": "https://mcpemails.com/connect/zoho" } ] }