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On Thu, 26 Jan 2017, Kevin A. McGrail wrote:
If not, can we do interactive SMTP responses such as checking the helo
values, then stream the messages to process it per domain or per recipient?
I can't find it documented, but I seem to remember that once you stream the
messages per domain or per recipient, that you've given a 2xx DSN and closed
the session. So if you then later find you want to decline, you have to
generate a bounce.
Any pointers appreciated especially if this is a milter limitation or an MD
framework limitation that I can figure out a way around!
"If users are in different domains, stream_by_domain() resends the
message (once to each domain) and returns 1 For example, if the original
recipients are [email protected],
[email protected] and [email protected], the original message is resent
twice: One copy to [email protected] and [email protected], and another copy to
[email protected]. Also, any subsequent scanning is
canceled (filter() and filter_end() will not be called for
the original message) and the message is silently discarded."
It's the last sentence, IMHO.
But you *can* delay, I think:
sub filter_begin {
if (stream_by_recipient()) {
### Here you can delay, but how would you get information about
# the processing of resent messages?
#
# also, if the connection interrupts, the sender retries and
# the message is processed another time, maybe resending it yet another
# time ....
return;
}
# Rest of filter_begin
}
- --
Steffen Kaiser
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