hello friends ,
I'm working in one ISP and as we started growing, So now
we
have to plan for enlarging our setup.
As far as mail servers are conserned. I tried using round
robin dns configuration to utilise two different server for sending and
receiving mails for different users under same domain say abc.com but in
this case it is not delevering mails everytime. sometimes it is missing and
in returned mail i'm getting some error which specifies that the user is
unknown or user is not availble or the server dosent seems to be
receipent for this user.
E.G the two servers are
192.168.1.51 and 192.168.1.52
hostname server1.abc.com and server2.abc.com
aliased name mail.abc.com and mail.abc.com
I have properly updated dns server with the A and PTR records for both
servers.
also the mx record is as
abc.com IN MX 10 mail.abc.com
i also tried putting two mx records with same priority .
abc.com IN MX 10 server1.abc.com
abc.com IN MX 10 server2.abc.com
still it is not working 100%. The only difference is in dns servers . My
primary dns is working on cobalt Raq 3r with bind 8.2.3 and secondary dns
is on Redhat linux 7.2 with BIND 9.1.3.
Could this be a problem .
It is very important for me to resolve this matter .
so please give me some guidance &/or solution.
I would also like to use Postfix instead of sendmail now onwards ..
Waiting for reply.
regards
Nisu Rav
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