Sending Email... using C#.net window application..

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I am creating window application using C#.net when i am sending email to client one error occur.

client.Send(mailmsg); // error. Transaction failed. The server response was: Relay rejected for policy reasons.
but when i am sending mail to out head.. it's successfully send to him..
not send to gmail,sifymail,hotmail,etc..

Posted 25-Mar-11 0:30am

ChiragBMakwana

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davfeu · Answer 1 · 2011-03-25T00:44:00

Solution 1

It seems like your Mailserver does not relay mails to the 'world', just intern. Thats a common security setting with Mailservers.
You have to change the serversetting, or ask your admins about it.

Posted 25-Mar-11 0:44am

davfeu