On 31.01.20 10:52, Msd wrote:
I have a user on my postfix example.com server that want all emails sent
to u...@example.com to be "relayed" to u...@external.example.net.
In main.cf I have set :
virtual_alias_maps = hash:/etc/postfix/virtual
# cat /etc/postfix/virtual
u...@example.com u...@external.example.net
The problem doing that is that some emails are rejected by
external.example.net mail servers because of SPF, for example :
"550 SPF Hard Fail: Following sender domain's SPF record v=spf1 [...]
-all does not designate a.b.c.d as permitted sender."
Is there a way to transfer the email as an attachment to avoid that ?
Or just a way to rewrite the envelope sender to u...@example.com ?
What do you advise for this case ?
you need to rewrite envelope from, e.g. by using postsrs.
Note that you can't do that from virtual maps, you must use aliases or
.forward.
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