Here's what happens:
28-Jun-18, 12:34:49: SEND - sending mail message(s) - 1 message(s) in queue 28-Jun-18, 12:34:49: SEND - Connecting to SMTP server smtp.office365.com on port 587
28-Jun-18, 12:34:50: SEND - Initiating TLS handshake
!28-Jun-18, 12:34:50: SEND - TLS protocol error: Decode error.
!28-Jun-18, 12:34:50: SEND - The server has aborted the connection
28-Jun-18, 12:34:50: SEND - connection finished - 0 message(s) sent
Downgrading back to 8.4. Would be great if you QA-ed your new releases more thoroughly.
Cheers.
28-Jun-18, 12:34:49: SEND - sending mail message(s) - 1 message(s) in queue 28-Jun-18, 12:34:49: SEND - Connecting to SMTP server smtp.office365.com on port 587
28-Jun-18, 12:34:50: SEND - Initiating TLS handshake
!28-Jun-18, 12:34:50: SEND - TLS protocol error: Decode error.
!28-Jun-18, 12:34:50: SEND - The server has aborted the connection
28-Jun-18, 12:34:50: SEND - connection finished - 0 message(s) sent
Downgrading back to 8.4. Would be great if you QA-ed your new releases more thoroughly.
Cheers.