Article ID: 1391, created on Oct 6, 2008, last review on May 6, 2014

  • Applies to:
  • Plesk for Linux/Unix


- Make sure that you use the right IP address and port number combination for SMTP server in your mail client preferences. If you use domain name instead of mail server IP, make sure that the domain is resolved to right IP, 765.
- Try to change the password through Plesk CP, and try again.
- Try to perform SMTP authorization via telnet session, see the article 1390.

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