As a result of a group MMS text sent from my gmail account to mobil devices of friends. Only the verizon friends failed.
There was a problem delivering your message to [email address removed per the Verizon Terms of Service]. See the technical details below, or try resending in a few
The response from the remote server was:
554 vzw-ibgw-6001a.stratus.cloudmark.com cmsmtp ESMTP server not available - POL102 - QXP8jvgoaILfA