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dovecot certificate

  1. L

    Resolved IMAP not working with STARTTLS or SSL/TLS Mailserver Dovecot Problem

    I encountered a strange behaviour happening since yesterday. System: Product version: Plesk Obsidian 18.0.51.1 OS version: Ubuntu 18.04 x86_64 Build date: 2023/04/04 17:00 Revision: 5f28ac65ab7698d3411bcb7b25e11dabc0d59dd9 I also use Plesk Premium Mail. The internal Database...
  2. J

    Issue Dovecot IMAP Mail error - No SSL-Connection over Port 993

    Hello, I an error with my dovecot mailserver on Plesk. Even if I want to load the Emails over the Apple Mail or Outlook Client, I'm getting the following error: "Mail could not establish an SSL connection to the server "example.tld" via the standard ports. Make sure that this server supports...
  3. P

    Issue Dovecot SNI doesn't seem to be working with Plesk Premium Email Extension (Kolab/Guam)

    I've been investing some serious hours to get Postfix/Dovecot working with SNI certifiactes and the Plesk Premium Email Extension (Kolab) now. However, echo | openssl s_client -connect localhost:993 -servername xyz.com will keep returning the global server's mail certificate, not dovecot's...
  4. Bludau Media

    Issue TLS: SSL_read failed: error:14094412:SSL routines:ssl3_read_bytes:sslv3 alert bad certificate: SSL a

    My error Message is: Jan 15 10:59:16 mail dovecot: imap-login: Disconnected (no auth attempts ics): user=<>, rip=77.179.18.XXX, lip=XXX.XXX.XXX.XXX, TLS: SSL_read failed: e4094412:SSL routines:ssl3_read_bytes:sslv3 alert bad certificate: SSL alert number 42 /etc/dovecot/private/ + dovecot.pem...
  5. Jörg Giencke

    Issue Onyx randomly resets Dovecot's certificate settings

    OS: ‪Ubuntu 14.04.5 LTS Produkt: Plesk Onyx 17.0.17 Update Nr. 13 We've secured Dovecot and Postfix using Onyx' new feature to use a subdomain's cetificate. Which works fine but - randomly - Onyx resets Dovecot's certificate by restoring Plesk's default certificate. Postfix ist stable. This...
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