Sieve condition - howto negate a field

[Pongracz_Istvan-2]

Hi,

I would like to use the following condition in sieve:

If the recipient is account@domain.tld and the Message-ID does not contain whatevertext, then move the email to the following folder: Inbox/whatever folder.

My problem is, how to define the negate a condition, in my case, how to define the Message-ID does not contain whatevertext.

Do you have any idea?

Thanks,

István

[Ralf_Becker_Stylite]

Hi István,

Hi,

I would like to use the following condition in sieve:

If the recipient is account@domain.tld and the Message-IDdoes not
contain whatevertext, then move the email to the following folder:
Inbox/whatever folder.

My problem is, how to define the negate a condition, in my case, how
to define the Message-ID does not contain whatevertext.

Do you have any idea?

Looked up Sieve regular expression syntax, but it does not allow things
like “(?!pattern)” :-(

In general Sieve allows if elseif else blocks, but that is not exposed
via our editor.

If you need a single negative rule you can do the following:

1. #first rule
   …
   N-1) if Message-ID contains whatever move mail to INBOX
   N) if allways true condition move mail to Trash

Ralf

–
Ralf Becker
Director Software Development

Stylite AG

Morschheimer Strasse 15 | Tel. +49 6352 70629 0
D-67292 Kirchheimbolanden | Fax. +49 6352 70629 30

Email: rb@stylite.de

www.stylite.de | www.egroupware.org

Managing Directors: Andre Keller | Ralf Becker | Gudrun Mueller
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VAT DE214280951 | Registered HRB 31158 Kaiserslautern Germany

[Pongracz_Istvan-2]

Hi Ralf,

Looked up Sieve regular expression syntax, but it does not allow things
like “(?!pattern)” :-(

In general Sieve allows if elseif else blocks, but that is not exposed
via our editor.

If you need a single negative rule you can do the following:

1. #first rule
   …
   N-1) if Message-ID contains whatever move mail to INBOX
   N) if allways true condition move mail to Trash

Thanks for your hint!

In fact, the main problem is:
we have a folder, where we collect all mails sent to a specific address, let’s say:
1)-N-2) rules (lot of rules)
N-1) if the recipient is helpdesk@domain.tld AND Message-ID contains SERVICECOMPUTERNAME then move the mail to the folder: Inbox/helpdesk/notification, continue with the next rule
N) if the recipient is helpdesk@domain.tld move the mail to the folder: Inbox/helpdesk, continue with the next rule

This technique unfortunately copies the mail to the inbox/helpdesk and inbox/helpdesk/notification, too.
The expected behavior, if the filter N-1 is true, N should never run.
The problem is there are a lot of emails from the notification service with the same Message-ID (from part always the same), so, just filtering to Message-ID does not work.
The other problem, there are some other combinations with the same Message-ID+recipientX and recipientX combinations.

So, in your mail you wrote “if allways true condition move to Trash” -> I do not really get it.

Cheers,
István

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