My security NVR outgoing email suddenly quit sending email last Friday (it sends picts when someone approaches front door). Was working for months with no issues before.
Nothing was changed in the setup - SMTP server, port, authentication all same. Reinstalled Geovision software and renewed to new IP, reset router all tried.
Spoke to Verizon and rep checked and said nothing was blocked from their end as I'm able to send and receive emails through web based and outlook email.
Any ideas?