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Force smtp authentication for sending mail to own zimbra domain

Posted: Sat Jan 30, 2016 4:26 am
by Bruce999

Hello,


i searched for two days (and two nights ;-)) but i could not solve this problem.


I configured mydomain.com


My smtp is not an open relay and it asks for authentication to send mail outside.


If you try to telnet the server and try to use a non existent address @mydomain.com to send to my domain you cannot


but if you know an existent address inside mydomain.com you are able to send mail inside mydomain.com with no authentication.


I would like to solve this and ask for authentication in this case too.


Any help appreciated!


Thanks


Force smtp authentication for sending mail to own zimbra domain

Posted: Wed Feb 24, 2016 5:47 am
by indikadias9
did you found any response ? I have the same question

Force smtp authentication for sending mail to own zimbra domain

Posted: Wed Feb 24, 2016 5:55 am
by Bruce999

Hello, no none gave me an answer.


Force smtp authentication for sending mail to own zimbra domain

Posted: Wed Feb 24, 2016 5:58 am
by indikadias9
I tried this ..but it doesn't work for telnet



https://wiki.zimbra.com/wiki/SMTP_Auth_Problems

Re: Force smtp authentication for sending mail to own zimbra domain

Posted: Sun Sep 16, 2018 12:11 am
by ldelana77