Thanks for all that. It was helpful and I did it all. However...
When I tried to send mail through this service I received the following error from my E-mail server log (I removed the name of my mail server for security reason);
2019-07-10 20:38:14 Sorter Moved a job to the output queue
2019-07-10 20:38:14 Send_16 Attempting to send to
b-7mplf2l6t2sxf@rts.kijiji.ca
2019-07-10 20:38:14 Send_16 Trying to send via host mailout2.zoneedit.com
2019-07-10 20:38:14 S 1224 > 250 OK
2019-07-10 20:38:14 Send_16 Trying [64.68.198.62]
2019-07-10 20:38:14 S 1224 < QUIT
2019-07-10 20:38:14 S 1224 > 221 Closing connection
2019-07-10 20:38:14 S 1224 End of session
2019-07-10 20:38:15 Send_16 < 220 mailout2.zoneedit.com ESMTP Postfix
2019-07-10 20:38:15 Send_16 > EHLO ***.***.***
2019-07-10 20:38:15 Send_16 < 250-mailout2.zoneedit.com
2019-07-10 20:38:15 Send_16 < 250-PIPELINING
2019-07-10 20:38:15 Send_16 < 250-SIZE 26214400
2019-07-10 20:38:15 Send_16 < 250-ETRN
2019-07-10 20:38:15 Send_16 < 250-STARTTLS
2019-07-10 20:38:15 Send_16 < 250-AUTH LOGIN PLAIN
2019-07-10 20:38:15 Send_16 < 250-AUTH=LOGIN PLAIN
2019-07-10 20:38:15 Send_16 < 250-ENHANCEDSTATUSCODES
2019-07-10 20:38:15 Send_16 < 250-8BITMIME
2019-07-10 20:38:15 Send_16 < 250 DSN
2019-07-10 20:38:15 Send_16 > AUTH LOGIN
2019-07-10 20:38:15 Send_16 < 334 VXNlcm5hbWU6
2019-07-10 20:38:15 Send_16 > Qk5vZWwyMQ==
2019-07-10 20:38:15 Send_16 < 334 UGFzc3dvcmQ6
2019-07-10 20:38:15 Send_16 > NjQoTCM0ITEx
2019-07-10 20:38:17 Send_16 < 535 5.7.8 Error: authentication failed: UGFzc3dvcmQ6
2019-07-10 20:38:17 Send_16 Login failed
2019-07-10 20:38:17 Send_16 Failed to deliver 000000JU.FWD
2019-07-10 20:38:17 Send_16 Added a letter to the mail sack
I tried it with and without authorization using my ZoneEdit name/password. Have I missed something?