Binand Raj S rearranged electrons thusly:

> One thing you have to make sure is that your MX should be an A record. The
> RFCs say so, IIRC. MX cannot be a CNAME.
 
yes ... and it shouldn't point directly to an ip address either

> A broad list would be:
> configure DNS.
> test DNS both ways - forward and reverse

if VSNL allots DNS I doubt if they'll give you control over rDNS for less than
a /24 ... and they dont have any idea what a PTR record is, unfortunately (this
is an ongoing issue with them here)

> Tell you what - get a good book on system administration - O'Reilly has a
> few - and read through it. Test every change you make thoroughly, and

The Linux Network Administrators Guide (O'Reilly - has a cowboy on the cover).

> keep a log of all changes that you make. Whenever in trouble, get back
> here. DNS/MX administration of an entire domain is no cakewalk, I can
> assure you.

Or have VSNL maintain the DNS for you and point to their servers in resolv.conf
(they charge extra for this)

        --suresh

-- 
Suresh Ramasubramanian  <-->  mallet <at> efn <dot> org
EMail Sturmbannfuhrer, Lower Middle Class Unix Sysadmin

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