On Tue, Jan 13, 2009, Ned Slider wrote:

Plant, Dean wrote:

...

!/^Subject: .*dingdong/ REJECT Need to add dingdong to subject line to send

Hmm, try losing the space maybe?

!/^Subject:.*dingdong/ REJECT Need to add dingdong to subject line

Or perhaps two rules

/^Subject:.*dingdong/ OK /^Subject:.*/ REJECT

Bill

mouss wrote:

Plant, Dean a écrit :

...

Hi list,

I have a requirement for a mail server that only allows email to pass with a particular word in the subject line.

Reading the header checks docs for Postfix I thought I may be able to add this rule:

!/^Subject: .*dingdong/ REJECT Need to add dingdong to subject line to send

Which should reject all mail unless the subject line contains "dingdong". Unfortunately this seems to block all mail from passing.

if /^Subject:/ !/dingdong/ REJECT blah blah endif

...

Removing the "!" works as expected and the server allows all mail to pass, unless dingdong is in the subject line which is rejected.

Is this rule valid? Or is there a better way to make this work?

the rule is (syntactically) valid. but it doesn't do what you want. take the following header:

Date: Tue, 13 Jan 2009 15:51:40 -0000

does it contain "dingdong"? does it start with "Subject"? so it's a REJECT.

Thank you. Your example works as expected. It seems I was focusing only on the subject line but as you pointed out header checks apply to all headers.

Dean