[Mailman-Developers] VERPing: ouch!

[Fil]

> > Yes, the MTA *was* twiddling its thumbs, and the system too... and as
> > Mailman's daemon was sending one VERP msg at a time, it was not
> > processing the usual incoming stuff, and not delivering the other
> > lists. 
> 
> v2.x or v1.x?

version 2.1.5b1

>  I thought v2 chunked the queue processing...  Hurm, if it
> doesn't it should and that's an easy enough fix.

>From what I read we're in SMTPDirect.py :

        def process(mlist, msg, msgdata):

this function does process all recipients (in chunks if not VERP)
consecutively, before exiting. We spent 5 hours in its main loop for that
one message.

-- Fil