Postfix hold

Shawn Iverson shawniverson at summitgrid.com
Wed Feb 3 11:19:33 UTC 2021


> I already tried that,  it works but in the logs I see that a milter 
> discard action is triggered but the mails are delivered.
>
Discard is by design. This is to simultaneously queue the message for 
MailScanner instead of passing it forward in the postfix pipeline.


> Then some users reported that it brakes outgoing mails , no headers 
> almost , everything converted to plain text etc. Unfortunately I this 
> is on alive machine
> That was working with postfix/mailscanner for more than ten years now.
> I was forced to stop using mailscanner as the hold portion of the 
> system was used to flood the machine with backscatter messages, the 
> only way to stop it was this
> and add rules in the header_checks file (and body).
>
I have never heard of this behavior. The milter has no code to strip 
headers or manipulate the message itself.


> The previous setup was working ok but I don't want to risk getting 
> into the same situation again.
>
> George
>
>
>
>     -- 
>     Mark Sapiro <mark at msapiro.net <mailto:mark at msapiro.net>>       The
>     highway is for gamblers,
>     San Francisco Bay Area, California    better use your sense - B. Dylan
>
>
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>
>
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