Article
Different types of email bounces
help.campaignmonitor.com
Quoted on this wiki
Every place a page here uses this source, in the order the words come in it.
One of our sending domains is temporarily blocklisted. “You should only try resending to this mail server if the bounce is due to our IP or sending domain being blocked or blocklisted. Please contact us to find out.” Mail block — relay denied
Quotes are verbatim and belong to their publishers. Where a quote has been translated, the original wording is kept below it.