[Declude.JunkMail] Not supporting null originator Problem

[Chris Anton]

Hi all... having a problem with a user sending to albertus.edu.  Getting following error from their server:

Unknown user: [EMAIL PROTECTED]

 

RCPT TO generated following response:
554 Service unavailable; Sender address [EMAIL PROTECTED] blocked
using dsn.rfc-ignorant.org; Not supporting null originator (DSN)

1) Is this a result of my "0 Null sender maximum tries"? Should I set this too 1 or too much spam threat?

2) Does this make me RFC Ignorant :-)

3) Should they really be blocking this email on such a flimsy test?

 

Thanks for your thoughts.

 

-Chris Anton

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