Ben Vincent 01123eca64 feat: add SMTP submission listener and enhance stalwart configuration ... - add SMTP submission listener on port 587 with TLS requirement - configure HAProxy frontend/backend for submission with send-proxy-v2 support - add send-proxy-v2 support to all listeners - add dynamic HAProxy node discovery for proxy trusted networks - use service hostname instead of node FQDN for autoconfig/autodiscover - remove redundant IMAP/IMAPS/SMTP alt-names from TLS certificates - update VRRP CNAME configuration to use mail.main.unkin.net		2025-11-09 16:42:38 +11:00
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au/region	feat: add SMTP submission listener and enhance stalwart configuration	2025-11-09 16:42:38 +11:00