NO BOUNCES BUT MANY UNDELIVERABLES

ScullerBlue

New Member
Hi,

Newbie here.
I've sent out around 1000 emails so far (over a week).
The emails I sent out get 10/10 and 100% are delivered according to mailwizz.
The open rate is generally around 50%.
Unsubscribes <1%
The stats show 0 soft or hard bounces, but I am getting an increasing number of "undeliverable" return messages to my inbox (last campaign had 10% of total number, while first campaign had 0).
I am concerned that:
a. Although I have setup my server for bounce emails (via a consultant) - it is not working, and
b. My domain/IP is slowly being throttled (maybe I was too aggressive in my warmup).

Any suggestions?

Thanks
 
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