Name
debug_peer_list
Possible values:
hosts/domains
Default:
(null)
For help with troubleshooting, Postfix can increase logging
for particular hosts that you might be having problems with.
debug_peer_list
specifies a list of one or more hosts, domains, or
regular expression patterns whose logging should be increased by the
degree specified in debug_peer_level
.
Example:
debug_peer_list = example.com, mail.ora.com
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