Yup. You need SRS. From: http://www.openspf.org/SRS
SPF "breaks" email forwarding. SRS is a way to fix it.
I suggest you read experimental-spec.txt, in the exim docs folder. I think that has about everything you need to know. On my CENTOS server it is at /usr/share/doc/eximxxxx/doc.
Try exim -bV in a shell. You may already have SRS compiled in. Experimental_SRS was automatically included in the prebuilt exim I installed via yum. But I don't do any forwarding so don't have any need for it, and haven't paid much attention to it beyond knowing the above.
On 11/2/2014 2:08 PM, Mark Elkins wrote:
I was given the following error from a customer: A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: [email protected] (generated from [email protected]) SMTP error from remote mail server after end of data: host kendy.up.ac.za [137.215.101.101]: 554 5.7.1 failed SPF: Please see http://www.openspf.org/why.html?sender=hnorthall% 40gmail.com&ip=160.124.208.1&receiver=spamcontrol.up.ac.za Basically, hnothall@gmail is sending mail to [email protected] (which I host) which has a simple Forwarder to send e-mail to five other addresses, including [email protected] From following the above links, I get the impression that I need to compile SRS in with Exim? Is there anything else I need to do? Change to exim.conf? Find a different rabbit hole to jump into? I run Gentoo with Exim-4.84. I have been experimenting with SFP, DKIM and DMARC stuff - but have so far not touched the machine that is involved above (160.124.208.1). I'd love to see an example exim.conf that included all of the new magic.
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