On Thu, Feb 21, 2013 at 10:17 AM, Todd Lyons <tlyons@???> wrote: > example) recipients before the DATA phase and you issue a 2XX response
> after the DATA phase, you MUST deliver the email for all 5 or a DSN
> for those you didn't successfully deliver for. The Postini style
Following up, sending all these DSNs is of course bad since you'll be
sending out backscatter and it will get you into all kinds of RBL's.
So honoring the RFCs means you have to potentially do bad things when
you accept but don't really intend to deliver to X number of the
recipients.
...Todd
--
The total budget at all receivers for solving senders' problems is $0.
If you want them to accept your mail and manage it the way you want,
send it the way the spec says to. --John Levine