Cannot enable SMTP restriction!

A

atlantis21

Well-Known Member
Sep 18, 2012
51
0
56
cPanel Access Level
Root Administrator
Hi,
I can't enable smtp restriction.
When I try to enable from WHM, I got error.

I tried form terminal:
# /scripts/smtpmailgidonly on
But I got error too:

"SMTP Mail protection has been disabled. All users may make smtp connections.
There was a problem setting up iptables. You either have an older kernel or a broken iptables install, or ipt_owner could not be loaded."

Please help
 
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