how can i find the mail server of any given host

[Manish Bellani]

hello i'm developing a mail server and i would like to know that how can i
send the e-mail to the other hosts like hotmail and yahoo.

suppose the mail server receives a mail from the client addressed to xyz@yahoo.com
, so how come i know the ip of mailserver of yahoo.
so that i can connect to the server of yahoo and send the mail using smtp
protocol. is there any command or anything that provides the information.
pls help its urgent

[Souren]

This might help...

==============================================================
C:\>ping yahoo.com

Pinging yahoo.com [64.58.79.230] with 32 bytes of data:

Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 64.58.79.230:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
==============================================================

Cheers
Souren



"Manish Bellani" <manishbel@yahoo.com> wrote:
>
>hello i'm developing a mail server and i would like to know that how can
i
>send the e-mail to the other hosts like hotmail and yahoo.
>
>suppose the mail server receives a mail from the client addressed to xyz@yahoo.com
>, so how come i know the ip of mailserver of yahoo.
>so that i can connect to the server of yahoo and send the mail using smtp
>protocol. is there any command or anything that provides the information.
>pls help its urgent