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  1. #1

    Issues with TLS and Dovecot

    Hi there, I have this postfix+dovecot system.
    I already got dovecot working with SSL (port 995). Now I want to enable POP3 with TLS in port 110, but when I configure my thunderbird or MS Outlook to use TLS I get an error message from thinderbird saying the server might be down or missconfigured.
    Here's my dovecot -n output:
    protocols: imaps pop3s pop3
    ssl_listen: *
    ssl_cipher_list: ALL:!LOW:!SSLv2
    disable_plaintext_auth: yes
    login_dir: /var/run/dovecot/login
    login_executable(default): /usr/libexec/dovecot/imap-login
    login_executable(imap): /usr/libexec/dovecot/imap-login
    login_executable(pop3): /usr/libexec/dovecot/pop3-login
    mail_location: mbox:/var/spool/mail:INBOX=/var/spool/mail/%u
    mail_executable(default): /usr/libexec/dovecot/imap
    mail_executable(imap): /usr/libexec/dovecot/imap
    mail_executable(pop3): /usr/libexec/dovecot/pop3
    mail_plugin_dir(default): /usr/lib/dovecot/imap
    mail_plugin_dir(imap): /usr/lib/dovecot/imap
    mail_plugin_dir(pop3): /usr/lib/dovecot/pop3
    auth default:
      mechanisms: plain login
        driver: pam
        driver: passwd
        type: listen
          path: /var/spool/postfix/private/auth
          mode: 432
          user: postfix
          group: postfix
    As I said, plain pop3 works, SSL pop3 works, IMAP/s works, what's the problem? Any adivice is greatly appreciated!

  2. #2
    Nevermind... it was Avast... it was blocking STLS request, it doesn't support TLS!!
    thank you a lot

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