Invalid recipients in spam quarantine
- Thread starter ivanzhang
- Start date
Please post in English - else not so many people will be able to help you (or learn from the resolution)
I translated your post automatically (and hope it was accurate)...
in most setups enabling recipient verification should take care of rejecting email to non-existing addresses downstream:
https://pmg.proxmox.com/pmg-docs/pmg-admin-guide.html#_mail_proxy_configuration
I translated your post automatically (and hope it was accurate)...
in most setups enabling recipient verification should take care of rejecting email to non-existing addresses downstream:
https://pmg.proxmox.com/pmg-docs/pmg-admin-guide.html#_mail_proxy_configuration
The documentation I linked points to the postfix configuration parameters the option affects - in this case:
https://www.postfix.org/postconf.5.html#unverified_recipient_reject_code
(450 means temporary reject - thus the sending mail-server should try to deliver the mail for a few days until it gives up - 550 is a permanent reject, and the sending server should directly drop the message and notify the sender about the delivery failure...)
https://www.postfix.org/postconf.5.html#unverified_recipient_reject_code
(450 means temporary reject - thus the sending mail-server should try to deliver the mail for a few days until it gives up - 550 is a permanent reject, and the sending server should directly drop the message and notify the sender about the delivery failure...)