The installation tutorial I initially followed:
My settings:
DISCOURSE_DEVELOPER_EMAILS: 'xxx@gmail.com'
## TODO: Configure the mail server
## (used for validation of new accounts, notifications, digests, etc.)
## required: hostname of the SMTP mail server used to send mail
DISCOURSE_SMTP_ADDRESS: smtp.qq.com
## uncomment to set the port to something other than the default (25)
DISCOURSE_SMTP_PORT: 587
## USER_NAME / PASSWORD required if the SMTP provider needs authentication
## WARNING: a '#' in the SMTP password can be misinterpreted; ensure it's inside string quotes, e.g.:
## DISCOURSE_SMTP_PASSWORD: "#pass#ord"
DISCOURSE_SMTP_USER_NAME: xxx@qq.com
DISCOURSE_SMTP_PASSWORD: "xxx"
## uncomment to enable implicit TLS at connection time, probably needed for using port 465
#DISCOURSE_SMTP_FORCE_TLS: true
## uncomment to set the HELO/EHLO domain, only set if required by provider
#DISCOURSE_SMTP_DOMAIN: discourse.example.com
## the address from which notifications are sent
DISCOURSE_NOTIFICATION_EMAIL: xxx@qq.com
## uncomment to change server certificate verification
#DISCOURSE_SMTP_OPENSSL_VERIFY_MODE: peer # peer|none
## uncomment to override the authentication method
DISCOURSE_SMTP_AUTHENTICATION: login # plain|login|cram_md5
Situation 1:
When trying user registration, Discourse repeatedly sends emails.
I had to manually terminate the retry job in sidekiq.
Situation 2:
I tried using the internal test email.
An error prompt appears after clicking send.
However, when I check my mailbox, the email successfully arrived.
If someone can help me solve this puzzle, I will continue to use QQ Mail, otherwise I will have to try changing the email provider.



