Reference
IMAP settings by service
Host, port, encryption and which kind of password each mail service wants — plus the thing that usually stops the first attempt. Values come from the services' own autoconfiguration files and documentation, not from second-hand write-ups.
imap.ukr.net@UKR.NETIMAP access for a @UKR.NET mailbox: imap.ukr.net, port 993, SSL. Why the account password is rejected and where the app password comes from.imap.gmx.netGMXIMAP for a GMX mailbox: imap.gmx.net, port 993, SSL. Why access is off by default and when the host is imap.gmx.com instead.imap.web.deWEB.DEIMAP for a WEB.DE mailbox: imap.web.de, port 993, SSL. Access has to be enabled by hand, and the username goes in without @web.de.imap.aol.comAOL MailIMAP for AOL Mail: imap.aol.com, port 993, SSL. Why the account password is refused, and the separate export host for downloading a whole mailbox.imap.fastmail.comFastmailIMAP for Fastmail: imap.fastmail.com, port 993, SSL. Every client needs its own app password, and the Basic plan has no IMAP at all.127.0.0.1Proton MailProton Mail has no public IMAP host. Access goes through Proton Mail Bridge on 127.0.0.1:1143, which needs a paid plan and a running desktop app.imap.comcast.netComcast XfinityIMAP for a comcast.net mailbox: imap.comcast.net, port 993, SSL. Why every client fails until you tick one box in Xfinity Email security.imap.mail.att.netAT&T MailIMAP for att.net, sbcglobal.net and bellsouth.net: imap.mail.att.net, port 993, SSL. The account password is replaced by a secure mail key.imap.mail.yahoo.comCox Emailcox.net mailboxes moved to Yahoo in 2024. The IMAP host is imap.mail.yahoo.com, port 993, SSL, and a Yahoo app password is required.imap.secureserver.netGoDaddy Workspace EmailIMAP for GoDaddy mail: imap.secureserver.net, port 993, SSL for legacy Workspace Email — and outlook.office365.com once the account has moved.imap.mail.commail.comIMAP for a mail.com mailbox: imap.mail.com, port 993, SSL. Access for external programs is a setting in the mailbox, not a default.imap.ionos.comIONOSIMAP for an IONOS mailbox: imap.ionos.com, port 993, SSL. Regional hosts, the TLS 1.2 requirement and where the panel shows your exact server.imap.hostinger.comHostingerIMAP for Hostinger Email: imap.hostinger.com, port 993, SSL. Titan Email sold through the same panel uses different servers.mail.privateemail.comNamecheap Private EmailIMAP for Namecheap Private Email: mail.privateemail.com, port 993, SSL. One host for both directions, and app passwords alongside the master one.secure.emailsrvr.comRackspace EmailIMAP for Rackspace Email: secure.emailsrvr.com, port 993, SSL. The same host handles sending on 465, and the username is the full address.imap.dreamhost.comDreamHostIMAP for a DreamHost mailbox: imap.dreamhost.com, port 993, SSL. The full address is the username, and the shared hosts work for every domain.Find out how big your mailbox is. It costs nothing.
Connect two servers, look at the size and decide. Or take the client and keep everything on your side.
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