Search found 3 matches
- Sun Sep 16, 2018 12:11 am
- Forum: Administrators
- Topic: Force smtp authentication for sending mail to own zimbra domain
- Replies: 5
- Views: 3749
Re: Force smtp authentication for sending mail to own zimbra domain
Solution here : https://wiki.zimbra.com/wiki/Enforcing_ ... ername_8.5
- Sat Sep 15, 2018 10:45 pm
- Forum: Administrators
- Topic: Force SMTP Authentication when sender in domain
- Replies: 1
- Views: 1267
Re: Force SMTP Authentication when sender in domain
Found from the following Zimbra wiki ( https://wiki.zimbra.com/wiki/Enforcing_a_match_between_FROM_address_and_sasl_username_8.5 ) ; I would suggest to insert some words such as "force smtp auth" because I didn't find it at first from follow search ( https://wiki.zimbra.com/index.php?searc...
- Thu Sep 13, 2018 12:26 pm
- Forum: Administrators
- Topic: Force SMTP Authentication when sender in domain
- Replies: 1
- Views: 1267
Force SMTP Authentication when sender in domain
I need to block email that come from port 25 ( SMTP ) when they suppose a sender address that exists in my domain. I received spam email to my domain users requesting bitcon etc... Surprisingly by default Zimbra doesn't require authentication for email incoming at SMTP when the sender is one of the ...