Mornin'

|# Error reporting
error_notice_recipient = [email protected] #https://www.postfix.org/postconf.5.html#error_notice_recipient notify_classes = bounce, delay, policy, protocol, resource, software #https://www.postfix.org/postconf.5.html#notify_classes
|

The above will insure many errors are reported directly to the postmasters inbox. The default is to only notify of resource and software class errors, I have also included the bounce, delay, policy, and protocol classes in my config. There are about 20-40 emails a day depending on the tenacity of the bots.


On 6/19/2024 4:27 AM, Matt Kinni via Postfix-users wrote:
On 2024-06-16 15:21, Cody Millard via Postfix-users wrote:
smtpd_helo_restrictions =
     ...
     reject_non_fqdn_helo_hostname,
     ...
I've found this to block some legitimate mails in the past from Bank of
America, so you may want to grep your logs for "Helo command rejected:
Host not found" just in case!

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