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SMTP SENDING OUT SPAM

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5 replies

by nsjohnatkinson

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I HAVE BEEN INFORMED BY MY ISP THAT MY SMTP IS SENDING OUT SPAM. MY ISP HAS SHUT DOWN THAT SMTP SO THAT I CANNOT SEND OUT EMAIL UNTIL WE FIND THE PROBLEM. I HAVE DONE A SCAN AND FOUND A COUPLE OF WIN32 PROBLEMS AND HAVE TAKEN CARE OF THOSE, BUT I STILL HAVE THE PROBLEM. I NEED HELP ON THIS ONE. ANY SUGGESTIONS WILL BE GREATLY APPRECIATED. IS THERE ANOTHER PROGRAM THAT CAN SCAN AND FIND THE PROBLEM. I TRIED TREND HOUSECALL BUT IT WILL NOT DOWNLOAD AND SCAN PROPERLY.

5 replies

by g...

I would also advice changing the authentification on the SMTP after cleaning it such as a hacker will have to start again.
Change anything you can. The way to log into the computer, the usernames, the passwords, create black list for other users than the one you are sure will be using the smtp...

by curlergirl

Also be sure your SMTP server is not acting as an open relay. How you do this depends on what software you are using. But basically what you want to do is be sure it is configured so that it will NEVER relay email along to another SMTP server unless you specify that server's IP address and can authenticate to it.

Hope this helps!

by now left tr

Guess you have an open SMTP server. Close this server by securing the relay section on the smtp settings. AND STOP THE CAPITAL LETTERS.

Better still reinstall the server and secure it from the begining. If it is a hack this is the only 100% way to remove it.

by klickinc

You do not have a secure auth in your smtp go into your smtp server and make sure your outgoing mail requires a login and password and make sure you have relaying turned off

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