Option to quarantine messages with high spam

Problem reported by Nageswara Rao Anumolu - 11/12/2025 at 1:53 AM

Submitted

Is there any option to move messages to spam quarantine instead of delete with high scores.

6 Replies

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Gabriele Maoret - SERSIS Replied

11/12/2025 at 6:24 AM

You can "move to junk Email Folder" instead of delete...

Unfortunately, I cannot see an option to "quarantine"...

Gabriele Maoret - Head of SysAdmins and CISO at SERSIS Currently manages 6 SmarterMail installations (1 in the cloud for SERSIS which provides services to a few hundred third-party email domains + 5 on-premise for customers who prefer to have their mail server in-house)

BMark Replied

11/12/2025 at 6:44 AM

Hello,

I also asked for this feature some time ago, it would be very useful

Mark

terry fairbrother Replied

12/30/2025 at 4:20 AM

What I have done is changed the spam high probability rule to add text to the email, eg, ***spam***. Added a new user called 'spam', add a content filter to redirect any emails with the word ***spam*** to the spam mailbox. I can then access that mailbox and deal with the junk as needed

Nageswara Rao Anumolu Replied

12/30/2025 at 4:46 AM

Content filter triggers after spam check ? The mail should not reach the actual user. Can this be achieved?

terry fairbrother Replied

12/31/2025 at 3:25 AM

Content filter does work after passing through the spam check. So once the email has been given a high weight score, the antispam section adds the text to the email...

Then add the content filter to look for the ***spam*** text and this is the action...

This way the end user sees nothing, but the spam mailbox get the spam for review

Douglas Foster Replied

1/4/2026 at 10:59 AM

This is cumbersome. Quarantine is the best disposition for any message that is suspicious.

If the message is acceptable, you need the ability to release it to the user without letting the sender know there was a problem. Then you need the ability to create a tailored exception which allows the next message to flow normally, without altering flow of any other messages. I have found that this exception always requires a verified identifier and sometimes requires another identifier which is dependent on the first.

If the message is unacceptable, you need the ability to create a tailored exception to block the next message. That rule is usually pretty easy based on an IP address, server name, SMTP domain name, From domain name, or (rarely) reply-to address.

For any of this to work efficiently, you need an efficient quarantine review process.

This is a pretty basic design. I think it should be the foundation of every spam filtering solution. I have not found anyone who can explain why an alternate design exists and is sufficient. Yet, I also have not found any product that has this design, or even comes close. So I had to build it. The results have been very good.

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