Forum Discussion
421 4.2.0 sender rejected AUP#SNDR
I manage a few mail servers for my employer. We noticed that we are being blocked by T-Mobile (relay=tmo-east.mx.a.cloudfilter.net). We send a lot of messages to our customers' SMS gateway addresses ...
Same here. I haven't been getting my home automation notifications since Tuesday afternoon and all they do via support is give me the run around. I was supposed to get a tier 2 callback this morning at 9am, but they never called.
