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ISP switchover mail server reassigned new IP

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ISP switchover mail server reassigned new IP - 31.Mar.2009 7:00:23 AM   
ashoksty

 

Posts: 79
Joined: 17.Nov.2006
Status: offline
Hi all,
I assigned a new static-public IP for my mail server and made subsequent changes on DNS.
Outbound emails are not reaching to their destination and many of them are bouncing with an error something like this


mta339.mail.mud.yahoo.com #553 Mail from ashok.setty@mydomain.com not allowed - [] ##

Received: from silica.mydomain.com ([192.168.200.55]) by silica.mydomain.com
([192.168.200.55]) with mapi; Tue, 31 Mar 2009 10:23:35 +0530
From: Ashok Setty <ashok.setty@mydomain.com>


Can someone give an idea what should be done in such scenario where we change the public IP of the email server?

Regards
Ashok

< Message edited by ashoksty -- 31.Mar.2009 7:02:23 AM >
Post #: 1
RE: ISP switchover mail server reassigned new IP - 31.Mar.2009 8:05:33 AM   
ismail.mohammed

 

Posts: 3018
Joined: 9.May2007
From: India
Status: offline
hi mate,

If you got new public ip address, then
make sure ==>
In ISP => Public Domain name (A record) should point to your new public ip address
=> Mx record should point to your new public ip address
=> Update your router (where you had old public ip address details with the new one)
=> Make sure your ISP opened the port 25.
MX record => pointing to new ip address,

(in reply to ashoksty)
Post #: 2
RE: ISP switchover mail server reassigned new IP - 31.Mar.2009 9:55:55 AM   
tmacdaddy

 

Posts: 98
Joined: 3.May2007
From: Washington DC. Georgetown
Status: offline
Make sure the new ISP puts in a reverse DNS for you. They do that one not you.

I know that sounds incorrect, but call them Trust me on this one

Other wise, many intended recips will not be able to do the rdns and will reject emails from you as a possible spam generator

_____________________________

Tom McManus
Sr. Network Engineer

(in reply to ashoksty)
Post #: 3

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