Can't send mail by smtp server(mailjet)

Product Support Self-hosting
4

Thanks for the reply, boss! I tried the test command, and it prompted a timeout.

root@iZ0jlfiypegsmh5fpig7t4Z-app:/var/www/discourse# rake emails:test[whitewatercn@outlook.com]
Testing sending to whitewatercn@outlook.com using in-v3.mailjet.com:587, username:7b14af9b5034dd6e7639d19587cb7831 with plain auth.
SMTP server connection successful.
Sending to whitewatercn@outlook.com. . . 
Sending mail failed.
JavaScript was terminated (either by timeout or explicitly)