On 2/27/25 05:44, Kim Sunggun via Mailman-users wrote:
Hello,
/opt/mailman/venv/lib/python3.9/site-packages/django/conf/global_settings.py:EMAIL_BACKEND = "django.core.mail.backends.smtp.EmailBackend" /opt/mailman/venv/lib/python3.9/site-packages/mailman_web/settings/base.py:EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
OK.
I installed mailman3 in rhel 9 based on https://docs.mailman3.org/en/latest/install/virtualenv.html#virtualenv-insta... I set up Postfix as the MTA. I added the code as mentioned in the document.
unknown_local_recipient_reject_code = 550 owner_request_special = no
transport_maps = hash:/opt/mailman/mm/var/data/postfix_lmtp local_recipient_maps = hash:/opt/mailman/mm/var/data/postfix_lmtp relay_domains = hash:/opt/mailman/mm/var/data/postfix_domains
These are good but not relevant to your issue. They affect delivery of incoming mail to Mailman. Your issue is with outgoing mail from Django.
There are various settings that affect this SMTP connection as described at https://docs.djangoproject.com/en/5.1/topics/email/#smtp-backend
The defaults are
EMAIL_HOST = "localhost" EMAIL_PORT = 25
and for the optional settings
EMAIL_HOST_USER = "" EMAIL_HOST_PASSWORD = "" EMAIL_USE_TLS = False EMAIL_USE_SSL = False EMAIL_SSL_CERTFILE = None EMAIL_SSL_KEYFILE = None
Have you set any of those to other than default in your Django settings? If not, what do you get if you run this python snippet as the Mailman user
import smtplib
connection = smtplib.SMTP(host='localhost', port=25)
If you have, you can specify them as args to smtplib.SMTP, e.g.
connection = smtplib.SMTP(host='localhost', port=25, username='...',
password='...')
or if EMAIL_USE_SSL is True,
connection = smtplib.SMTP_SSL(host='localhost', port=25, username='...',
password='...', ssl_keyfile='...', ssl_certfile='...')
See https://github.com/django/django/blob/ea1e3703bee28bfbe4f32ceb39ad31763353b1...
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan