Send as Alias

Discussion in 'Installation/Configuration' started by snoop168, Sep 10, 2019.

  1. snoop168

    snoop168 New Member

    This may not be specifically a problem with ISPConfig but I am using ISPConfig and I'm sure someone here will know the answer to this.
    I have an alias setup and point it to an actual mailbox. I enabled the "send as" checkbox in ISPConfig. Wondering how I would send as this alias... I use roundcube. Logged into Roundcube and added another identity for the alias. It seems to work, however I can add any address I want as another identity even non existent ones and they still send. The headers of the email always show:
    Received: from (localhost []) (Authenticated sender: [email protected])
    The From address will still show as the alias or non-existent address.

    Questions are: is this the correct way to send from an alias? Is there a way to lock down postfix so that it will not allow sending emails for non-existent or aliases that are not linked to the account you are authenticated as?

    Thanks in advance
  2. Steini86

    Steini86 Active Member

    It is probably a bit late, but for the others:
    Activate: System -> Server Config -> Mail -> Reject sender and login mismatch
  3. snoop168

    snoop168 New Member

    Thanks! That worked... For some reason though when I first toggled the setting and waited for the cron to update the settings it didnt work... I toggled the setting back off and compared both versions of my file (from when the setting was on, and turned back off). Strangely both files were identical... I toggled the setting back on and viola it worked as expected and diff reported that the files now had some differences... Not sure why it didn't update initially....

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