| info about Dns check, reverse Dns and Ptr record [message #111738] |
Mon, 17 March 2014 16:41 |
giampos
Messages: 82
Registered: May 2005
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Hi, i'm setting up the right config to send outgoing mail directly, without Isp smtp server.
Hostname for my KConnect is : mail.company.com
I've sent request to my ISP to modify PTR record for 2 of my public ip's
ip1 and ip2, now if I ask for ptr resolution theese ip give the right mail.company.com
All is ok ! but last day some outgoing emails was blocked in queue, because a remote mailserver didn't match my outgoing ip2 with name mail.company.com
In fact in Dns panel i've set up as a domain "A" record for mail.+.company.com my first IP1
and I can't set the IP2 to the same "A" record.
So If I ask an nslookup for mail.company.com it show me only the IP1
But no for Ip2, and some mailservers check this.
I think Kerio check only if domain exist, and no if it match to the Ip sender..
Any suggestion...??
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