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Cannot access webmail when Qmail on is used on Plesk: possibly qmail-smtpd exited by timeout

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Alexander Tsmokalyuk
Updated
Plesk Obsidian for Linux

Applicable to:

  • Plesk Obsidian for Linux
  • Plesk for Linux

Symptoms

Qmail is used as mail server on Plesk.

Cannot access webmail, the following error message in /var/log/maillog:

CONFIG_TEXT: qmail-queue-handlers[19027]: possibly qmail-smtpd exited by timeout, reset connection. #011#011#011#011 See "http://pobox.com/~djb/docs/smtplf.html." for get more information.

Cause

Insufficient number of Maximum number of connections and Maximum number of connections for a user per IP address.

Resolution

  1. Log into Plesk.
  2. Navigate to Tools & Settings > Mail Server Settings.
  3. Increase "Maximum number of connections" and "Maximum number of connections for a user per IP address".

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