Am 23.01.2015 um 15:23 schrieb rogt3...@proinbox.com:
On Fri, Jan 23, 2015, at 06:16 AM, James B. Byrne wrote:
We have had to whitelist some of our larger clients because of this
very issue. We had one case where the same message was retried from
at least five different IPs apparently because it was sent from a
BlackBerry.
In that case using the Blackberry servers I assume?
it don't matter because *many* large mail-clusters rotate queued mail
between nodes and retry with different IP's after each temp-reject
just don't enable greylist-like behavior until you know exactly what you
are doing and how to sort out troubles
