error in smtp server while email sending on button click

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Hi frnds,

Error during sending email from asp.net c#

This is the error.

A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 10.20.105.151:25

yesterday it was working, now its shows error

Please can you help me.

Thanks.

Posted 13-Jan-15 19:15pm

Member239258

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sashje- · Answer 1 · 2015-01-13T21:41:00

Solution 1

Hi,

And you have doublechecked that port 25 outbound is open? Easy to check if you are able to login to the server and doing a "telnet 10.20.105.151 25" from a console window..

If not, you could always try to open a socket towards the port and adress using TcpClient.

Posted 13-Jan-15 21:41pm

sashje-