Le 04/06/2024 à 17:02, Wietse Venema via Postfix-users a écrit :
Greg Sims via Postfix-users:
We had another DMARC Failure last night. The email ended up at the gmail level.
X-Original-Authentication-Results: mx.google.com;
spf=none (google.com: mail01-t122.raystedman.org does not
designate permitted sender hosts)
smtp.helo=mail01-t122.raystedman.org;
dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=raystedman.org
It appears that Google is looking for SPF information for one of the
transports we use in randmap. Do we need to have SPF records in place
for all of our transports?
Google wants your smtp_helo_name (default: $myhostname) to have an SPF
policy.
Options:
- Create an SPF policy for the SMTP helo name that permits the
corresponding SMTP client IP address.
- Create a wild-card SPF policy for *.raystedman.org that permits
all your SMTP client IP addresses.
Please avoid DNS wildcards as much as possible.
Emmanuel.
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