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Anonymous SMTP

#2450

My SMTP server will only work via anonymous submission. Any attempt at SMTP-level authentication gets rejected (instead it has network ACLs to only allow submission from certain IPs).

I cannot figure out how to configure MailMate to stop attempting to send a username. I tried edition Submission.plist, to change the URL to smtp://smtp.example.com (where smtp.example.com is the right server name), but then Mailmate never tries to send at all.

Is there a way to use Mailmate with a SMTP server that does not allow authentication?

Reported by Peter Bowen · November 25th, 2019 @ 09:08 PM

State: fixreleased
Milestone: none
Assigned to: benny benny

Activity

  1. benny
    benny

    I guess the code might be broken. In theory, a blank username in the settings or a single dash (-) should tell MailMate to not authenticate, but I haven't tested that for a long time. Could you try again just to make sure it doesn't work (before I start debugging)?

    November 26th, 2019 @ 02:19 PM

  2. Peter Bowen
    Peter Bowen

    Using "-" works. Leaving it blank results in the username from the IMAP server being used for SMTP.

    November 26th, 2019 @ 09:57 PM

  3. Sjoerd Oostdijck
    Sjoerd Oostdijck

    I can confirm this solved the issue for me as well. This isn't documented though, if it was that would have saved me some time...

    February 28th, 2020 @ 12:12 PM

  4. benny
    benny
    • State changed from new to fixcommitted

    @Sjoerd: I'll add a comment to the manual, but I've also tried to change default behavior. If the server does not support any authentication methods and a non-standard port is used then it'll continue without authenticating even if a username has been derived from other settings.

    (A better solution would make anonymous SMTP available as an explicit setting.)

    February 28th, 2020 @ 02:47 PM

  5. benny
    benny
    • State changed from fixcommitted to fixreleased

    December 25th, 2024 @ 04:11 PM

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