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shiftsrl

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About the new filter message function in 9.0.1 I've some problem. I don't want my users send out email with more that 20Mb of attachments and I've setup a rule.

Problem is that if a user send one email with a 1Mb attachment to 21 people, for example, the rule block this attempt that is absolutely permitted.

What I want is that Kerio block and send back a message to the user in case he send out a single email with more than 20Mb attached, not one email to multiple users.

How can I do that?
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Bud Durland

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Why not set that on the SMTP configuration?
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shiftsrl

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I'd like that Kerio send back to the user a simple notice that it's not possible to send out messages with attachments so big. This limit is yet set on the SMTP configuration...
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Pavel Dobry (Kerio)

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shiftsrl wrote on Tue, 09 February 2016 17:35
About the new filter message function in 9.0.1 I've some problem. I don't want my users send out email with more that 20Mb of attachments and I've setup a rule.

Problem is that if a user send one email with a 1Mb attachment to 21 people, for example, the rule block this attempt that is absolutely permitted.

What I want is that Kerio block and send back a message to the user in case he send out a single email with more than 20Mb attached, not one email to multiple users.

How can I do that?


What kind of rule is that? 1MB email sent to 20 recipients is still only 1MB email and is not blocked by message filtering rules.
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shiftsrl

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Unfortunately the Kerio rule doesn't think the same way and that's why I'm asking here. As soon as I've put in place the rule, someone called me and sent me the message he has received. I've checked the email and there are two pdf totalling about 1Mb and that email was sent to 22 people so the sum is over 20Mb.

The rule shouldn't work that way...
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shiftsrl

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BTW here's the rule

[img]./fa/4210/0/[/img]

  • Attachment: err.png
    (Size: 15.79KB, Downloaded 162 times)

[Updated on: Wed, 10 February 2016 10:06]

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Pavel Dobry (Kerio)

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shiftsrl wrote on Wed, 10 February 2016 10:02
Unfortunately the Kerio rule doesn't think the same way and that's why I'm asking here. As soon as I've put in place the rule, someone called me and sent me the message he has received. I've checked the email and there are two pdf totalling about 1Mb and that email was sent to 22 people so the sum is over 20Mb.

The rule shouldn't work that way...


It does not work that way. It DOES NOT multiply the message size by number of recipients.
If the message has been blocked then the message actual size had to be over the limit. Can you reproduce that? I can't.

[Updated on: Wed, 10 February 2016 10:23]

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shiftsrl

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The email was sent to 24 people and contains two pdf of 1.3Mb and 263Kb. As soon as the email was sent, the user get back this message

Da: Mail Delivery Subsystem [mailto:postmaster@xxx] 
Inviato: lunedì 8 febbraio 2016 19:29
Oggetto: Messaggio non consegnato: Reportistica resa oraria - Dati al 08 Febbraio 2016


Il messaggio non ha raggiunto alcuni o tutti i destinatari.

      Oggetto:  Reportistica resa oraria - Dati al 08 Febbraio 2016
      Inviato:  08/02/2016 19:28

Impossibile raggiungere i destinatari seguenti:

      xxxx<_at_>xxx.it 08/02/2016 19:29
            xxx: =?iso-8859-1?q?Recipient=3B_Rejected_by_rule=3A_Questo_=E8?= =?iso-8859-1?q?_un_messaggio_generat=09o?= =?iso-8859-1?q?_automaticamente=2E=09Il_messaggio_che_hai?= =?iso-8859-1?q?_inviato_supera_la_quota_consentita_=28?= =?iso-8859-1?


the user called me, I've disabled the rule and everything went fine... This is why I think it's the rule...
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shiftsrl

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And if you look at the screeshot posted before, that is the same exact message I've inserted in the rule...
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