Article ID: 120826, created on Apr 1, 2014, last review on May 11, 2014

  • Applies to:
  • Plesk 11.5 for Linux


I cannot enable remote Mail server in Tools and Settings->External SMTP Server, the following error appears:

        Error: sh: 1: /opt/psa/admin/bin/msmtpmng: not found 


MSMTP relay is not installed on the server.


According to documentation:

Using Panel Without the Mail Server

To use the external SMTP server:

Uninstall the Panel mail server and install the SMTP client: In Tools & Settings > Updates and Upgrades > Add/Remove Components > Mail hosting features select MSMTP relay only mail server (SMTP client) instead of the selected mail server.

Install MSMTP relay using autoinstaller:

    # /opt/psa/admin/sbin/autoinstaller
    Primary components list / mail

    Select the components you want to install:

      Different mailservers
     6. ( ) Postfix mailserver
     7. ( ) Qmail mailserver
     8. (*) MSMTP relay only mailserver (SMTP client)

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