We're seeing this type of block on everything to AT&T and its properties.
451 4.1.8 Domain of sender address bounces+#######-######-#######= [email protected] does not resolve Everything should resolve fine and we aren't seeing issues elsewhere. Are others seeing this? AT&T, you might have a problem. (side note: we are sending this directly to AT&T but not sure how quickly they will see it) (side note #2: I realize they should know about this without my help.) Best, Chris -- *Chris Borgia* Staff Deliverability Specialist [image: Shopify] <https://www.shopify.com/?utm_medium=salessignatures&utm_source=hs_email>
_______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
