https://www.uk4.in/tags/postfix/ Recent content in Postfix on Uttam Jaiswal https://www.uk4.in/images/og-thumb.jpg https://www.uk4.in/images/og-thumb.jpg Hugo -- 0.147.7 en-us Fri, 02 Oct 2026 21:58:00 +0530 https://www.uk4.in/posts/postfix-email-architecture-milter-lmtp/ Fri, 02 Oct 2026 21:39:00 +0530 https://www.uk4.in/posts/postfix-email-architecture-milter-lmtp/ Milter, LMTP, LDA or virtual delivery in Postfix? Learn what each does, why it sits where it does, and the 250 OK boundary behind every email architecture.