SSL on Mail server both for IMAP/POP and SMTP ??

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#1 Tue, 11/06/2018 - 04:22

SSL on Mail server both for IMAP/POP and SMTP ??


Is someone has successfully succeeded to use SSL with dovecot-imapd and dovecot-pop3d. Each time I try to activate it the IMAP/POP3 daemon becomes unavalaible for non SSL users :( Side-note: is it possible to use same certificate as the Let's Encrypt used for Web encryption ? or should I indicate the fqdn of my server for users ? so it presents the certificate of server and not having the usual issue of certificate not going with domain used for IMAP/PO3 connection !!



Tue, 11/06/2018 - 06:19

You should use a certificate for the mail server domain. If you main certificate covers wildcard, like *.domain.tld, its not a problem using the same on everything.

Your question about the unavailable daemon for non-SSL users, is that you wont force SSL connections? Just setup for who want to use?

If you want that your users connects under your mail.domain.tld you should have just 1 certs. But if your client tries to connect using mail.clientdomain.tld the certificate will not cover that domain, and should appear and advice of the irregularity of certificate.

If possible, clarify more your problem...

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