On Thu, Aug 27, 2009 at 12:39:34PM -0400, Xn Nooby wrote:
> Is it possible to block some users from sending attachments, and to
> allow other users to send acceptable attachements?
Not via built-in Postfix mechanisms, without significant complexity
(multi-stage pipelines that split the mail flow by sender, and then apply
distinct content policies in separate downstream SMTP servers).
You could perhaps find a content filter with this capability.
--
Viktor.
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