Steps to follow when server is moved under new IP

[protik]

Just used telnet and ipmango services to check the port, it seems to be
working.

I'm actually thinking of making a new instance of kolab since I'm using 3.1
and newer is 3.4 I guess.


On Wednesday, December 16, 2015, Sruli Saurymper <sruli at saurymper.com>
wrote:

> Never heard ISP's blocking incoming traffic to port 25, and they CAN block
> 1 direction. to test it you can temporarily change postfix outbound port to
> something else.
>
> On 16/12/15 07:39, protik wrote:
>
>> Actually new ISP had port 25 blocked, so I called and requested block to
>> be removed.
>> I can receive emails fine, so I called again to see if they are blocking
>> outgoing but they replied if port 25 is open then its open both ways (maybe
>> I should somehow check if outgoing port is open)
>>
>> As for reverse DNS then yes my domain registrar takes care of it (but
>> I'll check again).
>>
>> I'm confused about SSL certificate, because I don't think I use SSL
>> certificate (or at least I use self signed certificate), I'll read up more
>> about this
>>
>> Thanks for your help
>>
>>
>> On Tue, Dec 15, 2015 at 11:21 PM, Sruli Saurymper <sruli at saurymper.com
>> <mailto:sruli at saurymper.com>> wrote:
>>
>>     SPF and reverse DNS are not a must to get outgoing to work but
>>     many (maybe most?) will not accept emails from servers who do not
>>     have these configured. SPF record you setup in your DNS records
>>     reverse DNS you have to request from your ISP.
>>     I don't know what to make of your current error, doesn't sound
>>     like its linked to SFP/DNS issue, is your SSL certificate IP or
>>     domain bound? now-days only domain bound certs are issued, does
>>     your ISP allow sending mail on port 25?
>>     I cant help you much further on this, I am sure if you find more
>>     info in your log file and post someone will be able to help you.
>>
>>
>>     On 16/12/15 07:07, protik wrote:
>>
>>         I have only setup kolab through wiki instructions. Mail server
>>         was running for last 3 years.
>>         Week back I switched ISP, I didn't change the setup.
>>
>>         I think SPF and reverse records are updated through dyndns (I
>>         may not be correct though, let me know how to look for
>>         SPF/reverse record)
>>
>>         After looking through /var/log/maillog
>>
>>         I've error like:
>>
>>         smtp[3002]: certificate verification failed
>>
>>         Regards
>>
>>         On Tue, Dec 15, 2015 at 10:29 PM, Sruli Saurymper
>>         <sruli at saurymper.com <mailto:sruli at saurymper.com>
>>         <mailto:sruli at saurymper.com <mailto:sruli at saurymper.com>>> wrote:
>>
>>             What problems on outgoing? are they bouncing? did you
>>         update SPF,
>>             reverse record?
>>
>>
>>             On 16/12/15 05:47, protik wrote:
>>
>>                 Do I need to follow something specific?
>>                 Outgoing mails seem to have problem, when moved to new IP
>>
>>                 Thanks
>>
>>
>>                 _______________________________________________
>>                 users mailing list
>>         users at lists.kolab.org <mailto:users at lists.kolab.org>
>>         <mailto:users at lists.kolab.org <mailto:users at lists.kolab.org>>
>>         https://lists.kolab.org/mailman/listinfo/users
>>
>>             _______________________________________________
>>             users mailing list
>>         users at lists.kolab.org <mailto:users at lists.kolab.org>
>>         <mailto:users at lists.kolab.org <mailto:users at lists.kolab.org>>
>>         https://lists.kolab.org/mailman/listinfo/users
>>
>>
>>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.kolab.org/pipermail/users/attachments/20151216/dce12e8b/attachment.html>