Re: [exim] sender callout mail_from change

* on the Mon, Jan 29, 2007 at 06:29:26PM +0000, Chris Lightfoot wrote:

>>> Hello,
>>> Recently, when I've re-added a 'require verify =
>>> sender/callout=5s,maxwait=30s,fullpostmaster,defer_ok' to my ACL, I
>>> noticed that some of the mails are rejected because the sender's mail
>>> server refuses to accept mail with <> as origination.
>>> Is there a way to make the MAIL FROM:<> to be replaced with some valid
>>> address? I was thinking about using something like MAIL
>>> FROM:<verifycallout@???> where verifycallout as an alias to
>> Yes. Add ,mailfrom=verifycallout@$domain to the verify condition.
> ... and watch out for loops.

Hi. Just for my own piece of mind, what loops could occur here? Don't
forget the callout cache...

Mike