strange 550 error

[Ken A]

Chris Yuzik wrote:
> Suddenly today, we're getting users complaining that when they do a 
> send/receive in outlook, they get a message that says:
> 
> "Sending reported error (0x800CCC69) The server responded 550 5.7.1 DSN 
> or MDN for message that did not originate here"
> 

that's milter-null speak.


> We haven't made any changes to the server for a couple of weeks. I'm not 
> sure whether this would be an issue with MailScanner's watermarking 
> feature or whether it would be Milter-null. In any case, does anyone 
> have any ideas how to stop these strange messages?

Turn off milter null if you are running the MailScanner watermarking on 
incoming and outgoing mail.


> 
> Thanks.


-- 
Ken Anderson
Pacific.Net