> yes, but not in response to the DATA command (what I was talking about) > but after. >
no, you're wrong. right from rfc 2821:
----8<----
DATA
I: 354 -> data -> S: 250
E: 552, 554, 451, 452
E: 451, 554, 503
----8<----
explicitly - if I decide something is wrong after recieveing a data command
I may return a 451.
