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  3. Can't discard spam messages on arrival using Sieve filters

Can't discard spam messages on arrival using Sieve filters

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  • girishG girish

    @ccfu yes, I can look into adding customization for spam handling in the coming releases. I have also wanted a user editable whitelist/blacklist for spam (instead of having to rely on admin).

    C Offline
    C Offline
    ccfu
    wrote on last edited by
    #21

    @girish

    Sounds good 🙂

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    • girishG girish

      @ccfu yes, I can look into adding customization for spam handling in the coming releases. I have also wanted a user editable whitelist/blacklist for spam (instead of having to rely on admin).

      ? Offline
      ? Offline
      A Former User
      wrote on last edited by
      #22

      @girish would it be per-user or per-inbox? I ask since we can have groups using a specific email.

      girishG 1 Reply Last reply
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      • ? A Former User

        @girish would it be per-user or per-inbox? I ask since we can have groups using a specific email.

        girishG Offline
        girishG Offline
        girish
        Staff
        wrote on last edited by
        #23

        @atrilahiji I guess it will have to be per-inbox.

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        • girishG girish

          @d19dotca Just got around to looking into this. This doesn't work because the mail server processes spam messages using dovecot's sieve_before flag - https://doc.dovecot.org/settings/pigeonhole/#plugin-sieve-setting-sieve-before . You can check the /app/dovecot-config/sieve_before/spam-move.sieve script in the mail container which is moving X-Spam-Flag into the Spam folder. Because the filter below is run before user messages, your filters don't work. This also makes it easy for the end user to not worry about processing spam messages when writing filters, so I think the default behavior is good.

          require ["fileinto","mailbox"];
          
          if header :contains "X-Spam-Flag" "YES" {
              fileinto "Spam";
              stop;
          }
          

          For the original use case of discarding all spam for forwarding mailboxes, this is the default behavior in next release.

          d19dotcaD Offline
          d19dotcaD Offline
          d19dotca
          wrote on last edited by
          #24

          @girish said in Can't discard spam messages on arrival using Sieve filters:

          For the original use case of discarding all spam for forwarding mailboxes, this is the default behavior in next release.

          Do you mind just expanding on this a bit more? What is a "forwarding mailbox" in your terms? Are you referring to the other feature request I had about mailing lists having an option to not forward messages identified as spam? If so, that's great! But now I will have to go back to the mailing list functionality I had moved away from a couple weeks ago, haha, but that's all good. If I've misunderstood what you mean by "forwarding mailbox" though, please clarify.

          --
          Dustin Dauncey
          www.d19.ca

          girishG 1 Reply Last reply
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          • d19dotcaD d19dotca

            @girish said in Can't discard spam messages on arrival using Sieve filters:

            For the original use case of discarding all spam for forwarding mailboxes, this is the default behavior in next release.

            Do you mind just expanding on this a bit more? What is a "forwarding mailbox" in your terms? Are you referring to the other feature request I had about mailing lists having an option to not forward messages identified as spam? If so, that's great! But now I will have to go back to the mailing list functionality I had moved away from a couple weeks ago, haha, but that's all good. If I've misunderstood what you mean by "forwarding mailbox" though, please clarify.

            girishG Offline
            girishG Offline
            girish
            Staff
            wrote on last edited by
            #25

            @d19dotca sorry, i meant mailing list and not forwarding mailbox!

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            • C Offline
              C Offline
              ccfu
              wrote on last edited by
              #26

              Any update on this? Ideally it would be nice to be able to define a custom spam assassin rule to instantly discard mails with certain criteria. I see persistent SPAM in the event log with easily identifiable criteria I would like to discard before it hits a mailbox but at the moment all I can do is give it a score of 100 so it is always marked as SPAM.

              Whilst we can prevent mailservers with specific IPs or ranges from delivering mails via the firwall, this does not work for hostnames. That would be another way of stopping persistent spamming domains.

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              • girishG Offline
                girishG Offline
                girish
                Staff
                wrote on last edited by
                #27

                @ccfu We have to implement this feature to discard things . Can you raise a feature request there to discuss / with your use case ?

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                • girishG girish

                  @ccfu We have to implement this feature to discard things . Can you raise a feature request there to discuss / with your use case ?

                  C Offline
                  C Offline
                  ccfu
                  wrote on last edited by
                  #28

                  @girish Done: https://forum.cloudron.io/post/89451

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