Hello,

I am relatively new to mailcow and would like to double check if my understanding about the handling of Junk ist correct.

  • Is it sufficient to simply move a mail from/to the “Junk” folder to trigger the spam/junk filter to learn the change?
  • Will this work with mail clients connected via IMAP and with SOGo?
  • Do I have to manually delete the mails in the “Junk” folder from time to time or will Mailcow do this on its own, regarding to the settings of “Retentions per mailbox” & “Maximum age in days” as configured under Admin UI –> System –> Configuration –> Quarantine?
  • Could I delete the mails in the “Junk” folder manually without any side effects?
  • If only Junk mails are moved to the “Junk” folder and there is no use of the Quarantine, will Spam Notification Mails (User UI –> System –> User Settings –> Mailbox –> Settings –> Quarantine notifications) make sense at all (if someone regularly checks the “Junk” folder)?
  • Is the Whitelist & Blacklist (User UI –> System –> User Settings –> Spam filöter –> Whitelist/Blacklist) only applied to Spam mails or also to Junk mails?
  • I have read multiple time here in the forum that the Spam filtering / Spam Quarantine is disabled by default. Which config option in Mailcow exactly does enable / disable the Spam filter?

Thanks a lot in advance,

Thomas

    Is it sufficient to simply move a mail from/to the “Junk” folder to trigger the spam/junk filter to learn the change?
    -AFAIK yes

    Will this work with mail clients connected via IMAP and with SOGo?
    -If you’ve subscribed to the correct folder, yes

    Do I have to manually delete the mails in the “Junk” folder from time to time or will Mailcow do this on its own,
    -end user have to do it
    regarding to the settings of “Retentions per mailbox” & “Maximum age in days” as configured under Admin UI –> System –> Configuration –> Quarantine?
    -Quarantined mails are not delivered to the mailbox nor junk foler

    Could I delete the mails in the “Junk” folder manually without any side effects?
    -AFAIK yes
    If only Junk mails are moved to the “Junk” folder and there is no use of the Quarantine, will Spam Notification Mails (User UI –> System –> User Settings –> Mailbox –> Settings –> Quarantine notifications) make sense at all (if someone regularly checks the “Junk” folder)?
    -Junk folder containes mail which may or may not spam. it’s up to you to decide. quarantined mails are in quarantine not on your mailbox

    Is the Whitelist & Blacklist (User UI –> System –> User Settings –> Spam filöter –> Whitelist/Blacklist) only applied to Spam mails or also to Junk mails?
    -in general to any mail. whitelist bypasses spamfilter and blacklist blocks the mail regardless of it’s content.

    I have read multiple time here in the forum that the Spam filtering / Spam Quarantine is disabled by default. Which config option in Mailcow exactly does enable / disable the Spam filter?
    -don’t know.

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    thn80 I have read multiple time here in the forum that the Spam filtering / Spam Quarantine is disabled by default. Which config option in Mailcow exactly does enable / disable the Spam filter?

    That’s not true, rspamd is enabled per default!

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