Thunderbird receives incoming mail, won't send outgoing mail
Running Thunderbird 115 on a Mac laptop running Sonoma 14.4.1 Server name: mail.rainierconnect.com Port 587 Connection Security: STARTTLS Authentification: Normal password
Beginning at 3:30 pm (PST) this afternoon the laptop would show this error message after user pressed send:
"Must issue a STARTTLS command first"
Laptop receives mail fine. User can send and receive mail on her iPhone.
ISP verified that the Server Names and settings for incoming and outgoing mail are correct.
Running Thunderbird 115
on a Mac laptop running Sonoma 14.4.1
Server name: mail.rainierconnect.com Port 587
Connection Security: STARTTLS
Authentification: Normal password
Beginning at 3:30 pm (PST) this afternoon the laptop would show this error message after user pressed send:
"Must issue a STARTTLS command first"
Laptop receives mail fine.
User can send and receive mail on her iPhone.
ISP verified that the Server Names and settings for incoming and outgoing mail are correct.