IP Monitor Unable To Send Email to @VTEXT.COM

ipMonitor Version: 11.2.0 build 110

Currently cannot send email to a Verizon mobile device using the XXXXXXXXXX@vtext.com email address associated with the phone. Log only shows

Sending from my outlook client works fine.

Has anyone else run into this issue?

[2023-02-23 15:33:42.957] [TID 3132] [error] Unable to send mail message
[2023-02-23 15:36:25.929] [TID 7980] [error] Unable to send mail message
[2023-02-23 15:38:37.665] [TID 21144] [error] Unable to send mail message