I have an issue:when the email is sent from an address other than 127.0.0.1 the authorization is required even if ip is on the same machine.
How can I avoid to make request authorization for a given ip ?
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Sendmail by default allows to relay from local IP addresses.
Have you used
confDONT_PROBE_INTERFACES) to change it too?
[Such change is quite common on virtual web servers with email served elsewhere ]
Do you use local IP addresses assigned after sendmail daemon startup?