Originally posted here by mightysuraj
Hello,

I'd like to know if there is any way u can find out the SMTP server address of web based mail providers like Hotmail, Yahoo, Rediffmail .. etc ?.. I mean, any tools available.. ?? I persume they keep the server names a secret ?

Thanx.
finding the true smtp server of a web based/free web e-mail is a bit tricky, since these free web based e-mail is a big host that serves a lot of users chances of authoritative and non authoritative answers from the servers, and chances of getting the true IP is somehow difficult.

try using the tools in www.dnsstuff.com it's going to be a big help.

try reading some stuffs about zone files as well so you can have a better understanding.

this line might be of help also... CNAMES points to host names and host names points to a record and a records points to IP adress. this can be useful in trying to figure out the right IP's or hosts.