Transport error code was 0x800ccc6f

I spent some hour debugging this vbscript error when sending an e-mail using an exchange server:

The message could not be sent to the SMTP server.
The transport error code was 0x800ccc6f. The server response was 554 5.1.0 Sender Denied

I asked help on Exchange Newsgroup and with the help of S.NET I found the cause: IMT (Intelligent Message Filter) blocked my e-mails because "Apply Sender Filter" flag was checked; after uncheck the script worked properly.

I'm not sure it's the right solution but it works and actually I'm busy and I've not other time to spent on this issue...
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About Vittorio Pavesi

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