smtp.verizon.net switch to AOL has effectively disabled outbound mail from my personal domain

[tns2]

Not sure why this happened when it did for you, but see the notices Verizon people have posted about the new restrictions on SMTP mail.

[LawrenceC]

Hi curtisG,

This topic concerns customers in California, Florida and Texas who were migrated to AOL email.  If you were not migrated, see the following announcement concerning SMTP changes Verizon recently made:

https://forums.verizon.com/t5/Verizon-net-Email/Verizon-SMTP-Process-Change/m-p/824452