SMTP Profiles

The SMTP proxy of Sophos UTM lets you create alternative SMTP profiles, which can then be associated with different domains. That way you can specify domains that should use a different profile other than the default profile configured in Email Protection > SMTP. The order of the functions, structured as tabs, reflects how each step gets processed one after the other during SMTP time.

To create an SMTP profile, proceed as follows:

  1. Enable the SMTP profile mode.

    On the Email Protection > SMTP > Global tab select Profile Mode and click Apply.

    The SMTP profiles creation in the Email Protection > SMTP Profiles menu is enabled.

  2. On the SMTP Profiles tab, click New Profile.

    A dialog box opens.

  3. Enter a descriptive name for the profile.
  4. Add one or more domains.

    Add one or more domains to the Domains box.

    Settings of this profile will be applied for those domains.

  5. Make the following settings:

    You only need to make settings for functions you want to use. For each of the following functions you can decide whether to use individual settings defined here or global settings defined under Email Protection > SMTP. By default, the global settings option is selected. The individual settings for each function are described below.

    Note – Encrypted emails whose sender address includes a domain name configured here cannot be decrypted when using the email encryption/decryption engine of Sophos UTM. Therefore, no profile should be added for external email domains.

    All settings that you can define here can also be set globally in Email Protection > SMTP. Therefore only a list of settings and the differences from the global settings are given here, along with cross-references to the respective global setting where detailed information can be found.

    The following settings can be made:

  6. Click Apply.

    Your settings will be saved.The new profile appears on the SMTP Profiles list.

Note – When you select Use global settings for a topic and click Apply, the icon of the function changes to the global settings icon. By this, you can easily get an overview on which functions global settings or individual settings are applied.

To either disable, rename or delete a profile click the corresponding buttons at the top below the profile drop-down list.

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