email sending

[brettokumar]

hai
im sending email it working properly but if i send mail to gmail.com means it sending but incase if im sending yahoo, rediff.. means it dosen't sending
how can i over come this prob.

[Plater]

What ? Slow down and try that again.
You can send email to gmail, but you can NOT send email to yahoo?
Does yahoo dump your email into it's spam/bulk folder?