• Please be aware: Kaspersky Anti-Virus has been deprecated
    With the upgrade to Plesk Obsidian 18.0.64, "Kaspersky Anti-Virus for Servers" will be automatically removed from the servers it is installed on. We recommend that you migrate to Sophos Anti-Virus for Servers.
  • The Horde webmail has been deprecated. Its complete removal is scheduled for April 2025. For details and recommended actions, see the Feature and Deprecation Plan.
  • We’re working on enhancing the Monitoring feature in Plesk, and we could really use your expertise! If you’re open to sharing your experiences with server and website monitoring or providing feedback, we’d love to have a one-hour online meeting with you.

plesk_saslauthd

  1. S

    Question Firewall blocking plesk_saslauthd failed mail authentication attempt for user 'info' (password len=9)

    i have a nonstop this type from attacks,scannings: Aug 14 07:13:39 server plesk_saslauthd[2529904]: failed mail authentication attempt for user 'info' (password len=9) Aug 14 07:13:39 server postfix/smtpd[2529839]: warning: unknown[213.154.2.42]: SASL LOGIN authentication failed: authentication...
  2. cmak.fr

    Resolved fail2ban postfix & plesk_saslauthd

    Hi all My maillog shows several failed mail authentication attempts. Fail2ban is configured from Pesk Onyx webui Defaults jails have simply lowered maxretry values and increased ban periods. Regarding to the config files and the logs, i cant figure out why Fail2ban does not ban an attacker...
  3. S

    Issue ip block for postfix in Fail2ban dosent work

    Hello, i have installed fail2ban, with all jails and a other with a blacklist. and spammer try different usernames for mail adress and with different password len since 5 days ! the mailservice from this domain is off in the configuration in plesk, the IP from this server in blocked in the...
  4. B

    Where to change plesk_saslauthd log level?

    Plesk 12.0.18 Update #70, Ubuntu 14.04.3 LTS. Our postfix mail log file is filled with millions of lines like the following: Oct 28 17:00:42 cloud8 plesk_saslauthd[17698]: activity on 1 channel(s) Oct 28 17:00:42 cloud8 plesk_saslauthd[17698]: new client (fd=10) registered Oct 28 17:00:42...
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