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smtp;550 relay not permitted

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We have win2000-Sp3, IIS, SMTP & SQL 2000 installed. There are as many as 5 sites hosted on this server. On one site there is an ASP form which accepts users input & send it to an email address.

User see no error. But in the backend after sendingit, that mail gets placed in the Drop folder. Earlier it was getting bounced in the Bad mail folder with error

The error is

I've checked the SMTP relay settings. I've even enabled the relay for anonymous. But nothing worked.

Any idea?

5 replies

by georgevlob

Try enabling only the IP of your server instead of anonymous. What SMTP server are you running?

by faisalmasood

I've reinstalled the SMTP service, but now the problem is that mail are getting placed in the Queue folder & not reaching destination....

All SMTP settings are default settings. What to check next.....

by faisalmasood

The problem was in the way smtp was being used in application. Resolved by the respective developer.

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