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How to configure an external SMTP server in Plesk

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Kuzma Ivanov
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Applicable to:

  • Plesk for Linux
  • Plesk for Windows

Question

How to use external an SMTP server in Plesk?

Answer

Note: This guide is intended for Plesk administrators. If you are a domain owner, please contact your service provider for assistance.

 

Setting up external SMTP server in Plesk for Linux

 

  1. In Plesk, go to Tools & Settings > Updates and Upgrades.


    Updates_and_Upgrades.png

  2. On the Updates and Upgrades page, click Add/Remove Components.


    Plesk_Installer_-_Add_Remove_Components.png

  3. On the Add/Remove Components page, expand Mail hosting and select MSMTP (relay only).

    Note: If local mail server is installed, it will be removed along with other mail components like Mailman, SpamAssassin, Dovecot.


    Screenshot_2019-01-17_Plesk_Installer.png

  4. Click Continue to begin the installation.

  5. Once the component is installed, go to Tools & Settings > External SMTP Server.

  6. Select Allow Plesk to send email notifications through this SMTP server to make notifications be sent via the external SMTP server.

  7. Specify external SMTP server settings and click OK.


    Screenshot_2019-05-21_External_SMTP_Server_Settings_-_Plesk_Onyx_17_8_11_1_.png

 

Setting up external SMTP server in Plesk for Windows Server

 

  1. In Plesk, go to Tools & Settings > External SMTP Server.

  2. Uncheck the setting Use the mail server installed with Plesk and the default mail account created by Plesk.

  3. Specify external SMTP server settings.


    Screenshot_2019-05-21_External_SMTP_Server_Settings_-_Plesk_Onyx_17_8_11.png

 

Additional Information

Comments

4 comments

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  • Avatar
    Blake

    Is there any way to find out why this install is failing for me? I'm trying to install the MSMTP component in a highly restrictive environment, so I believe the yum utility is unable to access the necessary url or IP being used to download this component. Also, is there a way to install components via command line?

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  • Avatar
    Ivan Postnikov

    @Blake, 

    The cause of failing install may be found in log file /var/log/plesk/install/autoinstaller3.log

    To install components via CLI, use the command "plesk installer" and follow the instructions from the appeared menu.

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  • Avatar
    Santiago (Edited )

    Looks like these are old steps.

    Don't work right now with Plesk Obsidian 18.0.25. for me.

    If I try to install MSMTP (relay only), Plesk uninstalls Postfix and also Dovecot.

    I try to continue, then I try to install only Dovecot and Plesk uninstalls my MSMTP (relay only) and Installs the Postfix again.

    It's a loop process.

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  • Avatar
    Yulia Plokhotnikova

    @Santiago,

    MSMTP cannot be used with local mail server like Postfix. MSMTP is used as external SMTP server for outgoing mail for notifications only, that's the only aim of it in Plesk.

    As it is stated in this article: "If local mail server is installed, it will be removed along with other mail components like Mailman, SpamAssassin, Dovecot."

    See more details here: https://docs.plesk.com/en-US/obsidian/administrator-guide/mail/using-plesk-without-the-mail-server.72346/

    It is not possible to use local mail server in Plesk like Postfix AND external SMTP server.

    If information from the documentation above does not address your request, let us know why you want to use local and external mail servers at once in Plesk.

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