Al - thanks so much for the details. We are just seeing on hard bounces and
likely just Microsoft. It came up when we were trying to analyze hard bounces
from COI (confirmed opt in) mailings to a new user at Microsoft. We are COI
for all domains but noticed the asynchronous issue at Microsof
The common industry term for what you're referring to is "asynchronous
bounce" (google it -- it'd help provide more background) and these are
actually somewhat uncommon nowadays, as they contribute to a
spam/annoyance problem called "backscatter" where somebody other than
the sender gets unwanted m
Our tech team has been trying to look more closely into how Microsoft handles
bounces. We are Return Path/Validity Sender Score Certified and have no known
issues. We are a content creator in the arts and crafts and recipe niche
content categories. In looking at an internal write-up it looks lik
