On Mon, Jul 24, 2017 at 02:27:16PM -0700, [email protected] wrote:
> I'm getting Postfix setup to deal with "bad headers".
>
> Looks like there's a bunch of ways to do it.
>
> Three I'm looking at are
>
> 1) Postfix's built in headers check
> 2) A milter that'll check for & reject headers
> 3) Amavisd's built in header handling
It all depends on things we don't know:
1) What's the actual end goal of this?
2) What's easier for you?
Since you mention amavisd and milter (and also your email domain,
haha) I suppose your interest is in spam control/abatement. If so,
start with postscreen, first:
http://www.postfix.org/POSTSCREEN_README.html
http://rob0.nodns4.us/postscreen.html
> I can actually get all three to work pretty much the way I want.
>
> Is there any reason to use one over the other if they're all
> doing it PreQueue?
>
> Is it more efficient to use a separate milter than to use
> Postfix's built in stuff?
You're unlikely to come up with anything on your own which is a
better email content filter than SpamAssassin. But there too,
content filtering is less safe and accurate than pre-DATA checks.
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