On Wed, 11 Jul 2018, John R Levine wrote:
If you're going to have a third party send mail for you, why can't you
just list the third party IP address in your SPF record?
Oh, wait, I got it backward. On the outbound mail, you're right, it's the
customer's domain so they can add the IP to
It sounds to me like the bounce address is the third-party provider
and there's no DKIM signature, so there's nothing for DMARC to align
with.
Sounds to me like the answer is that if you're going to let a third
party send mail for you, it'd be a good idea to enable the third party
to put on
In article <3fe159fb-7de2-b823-2665-bcf985b6c...@rolandturner.com> you write:
>Can you show sample/likely envelopes/headers that would cause the
>problem? It's not clear from your description why there's a problem. Are
>you saying that Cisco is running a service that impersonates author
Ivan,
Can you show sample/likely envelopes/headers that would cause the
problem? It's not clear from your description why there's a problem. Are
you saying that Cisco is running a service that impersonates author
(5322.From) domains of *_non_*-customers?
- Roland
Hello all,
I have a question regarding third-party email encryption services and DMARC.
For example, when using Cisco CRES the emails contain the From domain of the
sender and the Return-Path is that of the sender so if they authorize Cisco
CRES then emails will pass SPF and align with regards