I use mxlogic spam and continuity services from McAfee for many of my clients.
I recently had email from a client domain blocked with the follwing failure information:
This message was created automatically by mail delivery software.
A message that you have sent could not be delivered to one or more recipients. This is a permanent error. The following address failed:
<firstname.lastname@example.org>: Backend Replied [acd5c955.0.4240330.00-265.11268133.p01c11o142.mxlogic.net]: permanent failure for one or more recipients (email@example.com:blocked) (Mode: queuesafe)
I ended up talking with their (the recipient's) IT who said that we were being blocked by Baracuda (Web Hosted) service using "Intent Anayliser" and the the senders domain (xxx-yyyy.com) was blocked due a crossover with two other domains. One of the "crossed" domains (Their lingo) is mine, and the other is completely foreign to me.
I do not use Baracuda devices or service, so I am not familiar with the "Intent Annaliser". And I am terribly confused on how the three domains are "cross linked".
Does anyone have insight?