06-25-2003 08:52 PM - edited 03-09-2019 03:49 AM
Dear all,
what does "fixup protocol smtp 25" command means or fixup command means
with regards
Manish
06-25-2003 10:25 PM
Hi Manish,
The fixup protocol smtp command enables the Mail Guard feature. This restricts mail servers to receiving the seven minimal commands defined in RFC 821, section 4.5.1 (HELO, MAIL, RCPT, DATA, RSET, NOOP, and QUIT). All other commands are rejected.
More good info on the below url;
Thanks,
yatin
06-25-2003 11:05 PM
One Question????
If i am using FIXUP SMTP 25 command , then users who will access the mail
server from outside using POP3 Protocol, they are not able to send mail through the server which in inside.
any solution for this
regards
Manish Young
06-26-2003 12:08 AM
Hi Manish,
Firstly, not a good idea to have smtp servers facing the internet on the inside, better to have them on a DMZ with all the correct patchs applied, anyway, try using 'no fixup protocol POP3' (port 110) and if this don't work try 'no fixup protocol smtp 25' and see what happens when your users try to connect via POP3.
Hope this helps --
06-26-2003 07:58 AM
Manish,
That should work. Have the Email Server on the DMZ as mentioned earlier. Follow the sample configs on this url under "Mail" section.
Thanks,
yatin
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