SMTP address - Yahoo - Gmail - MSN - AOL

For Gmail

gmail-smtp-in.l.google.com 
alt1.gmail-smtp-in.l.google.com 
alt2.gmail-smtp-in.l.google.com 
alt3.gmail-smtp-in.l.google.com 
alt4.gmail-smtp-in.l.google.com
gsmtp185.google.com 
gsmtp185-2.google.com 
gsmtp163.google.com 
gsmtp183.google.com 
gmail-smtp-in.l.google.com 
gsmtp185.google.com 
gsmtp185-2.google.com 
gsmtp147.google.com 
gsmtp163.google.com 
gsmtp183.google.com 
alt1.gmail-smtp-in.l.google.com 
alt2.gmail-smtp-in.l.google.com

For Yahoo

f.mx.mail.yahoo.com 
g.mx.mail.yahoo.com 
a.mx.mail.yahoo.com 
b.mx.mail.yahoo.com 
c.mx.mail.yahoo.com 
d.mx.mail.yahoo.com 
e.mx.mail.yahoo.com
mx1.yahoo.com 
mx2.yahoo.com 
mx3.yahoo.com 
mx4.yahoo.com 

mx1.mail.yahoo.com 
mx2.mail.yahoo.com 
mx3.mail.yahoo.com 
mx4.mail.yahoo.com 
a.mx.mail.yahoo.com 
b.mx.mail.yahoo.com 
c.mx.mail.yahoo.com 
d.mx.mail.yahoo.com 
e.mx.mail.yahoo.com 
f.mx.mail.yahoo.com 
g.mx.mail.yahoo.com

For hotmail

mx2.hotmail.com 
mx4.hotmail.com 
mx3.hotmail.com 
mx1.hotmail.com
mail.hotmail.com 
mx1.hotmail.com 
mx2.hotmail.com 
mx3.hotmail.com 
mx4.hotmail.com

for Aol

pop.mynet.com 
pop1.mynet.com 
pop2.mynet.com 
pop3.mynet.com 
mail.mynet.com 
mail1.mynet.com 
mailx.mynet.com 
mail1x.mynet.com 
mail.mynet.com 
smtp2.mynet.com 
smtp1.mynet.com
pop.mynet.com 
pop1.mynet.com 
pop2.mynet.com 
pop3.mynet.com 
mail.mynet.com 
mail1.mynet.com 
mailx.mynet.com 
mail1x.mynet.com 
mail.mynet.com 
smtp2.mynet.com 
smtp1.mynet.com