THis address then bounces most of the reflector traffic.
Err First Last Address
--- ----- ----- -------
23 07/09 08/29
RFENGINEERUSA@xxxxxxxxx
Last error: 5.7.26 550-5.7.26 This message does not pass
authentication checks (SPF and DKIM both 550-5.7.26
do not pass). SPF check for [
listserv.ieee.org]
does not pass with 550-5.7.26 ip:
[220.110.251.203].To best protect our users from
spam, the 550-5.7.26 message has been blocked.
Please visit 550-5.7.26 h... (150 bytes suppressed)