Hi,
Please comment on this matter,
Currently, I have a linux mail server (mail1- 202.xx.xx.1) (abc.com.my )
with senmail 8.8.X installed. The linux mail server also run DNS. All the
mail will go to the linux mail server and user will retrieve mail from this
mail server using POP3 (any client, netscape, outlook,etc)
Now we want to implement another mail server (mail2 - 202.xx.xx.2 )
(sub.abc.com.my). It is a Netscape Messenger Server. So we decide to use
mail2 as the primary server and whatever mail to abc.com.my will forward to
sub.abc.com.my. Now the user will retrieve from mail2 instead of mail1.
The previous DNS (named.hosts) under the MX record is like this (working
fine all the while)
abc.com.my. IN MX 10 abc.com.my
abc.com.my. IN A 202.xx.xx.1
Now i change it to
abc.com.my. IN MX 0 sub.abc.com.my
sub IN A 202.xx.xx.2
abc.com.my. IN MX 30 abc.com.my
and i kill the mail1 sendmail. ( or Do i need to? :-0 )
I tested out and send a mail to user1@abc.com.my and the mail reach mail2.
I check the mail box in mail1 again to double check the mail do not send to
mail1 as previously do. All work fine.
The problem is, when i want to set back to the original configuration, it
still remain the new configuration. I change back the previous
configuration (named.hosts file) to make the mail1 as the primary mail
server back as last time.
I restarted the DNS ( ndc stop then ndc start )
I restard the sendmail ( kill it and start it back -- sendmail -bd -q1h )
Then i try to send mail to user1@abc.com.my. THE MAIL WENT TO MAIL2.( by
right it go back to mail1)
I event try to nslookup the dns and saw the dns already taken back the old
configuration. I have try for quite sometime afraid the dns take some time
to refresh BUT i have try about more than one hours. Still the same problem
happen. The mail still go to mail2 not mail1.
Can anybody tell me what go wrong? Why ?
Thank you in advance. Your help is much much appreciated
FB
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