We are sending out around 7000 emails...but it still takes a lot of time (upto 4-5 hours) for it to get actually delivered
that's ridiculous.
It should go out in 20 minutes max. I've seen Imail6 or 7 list server hit 30K msgs/hour, the whole list went out in under 2 hours, (but then the next list send it took 30 hours for the same list).
....Any pointers on why this might be happening
You aren't running Imail8's with its improved queue management.
your list 4% or 5% or more bad addresses, or
you're WAN bandwidth is limited, or
your Imail server is severely overloaded, or, etc, etc.
Len
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