OpenSMTPD table protocol changes, now with the backstory
by from OpenBSD Journal on (#6MHR1)
Regular readers will be aware that OpenBSD ships with its own mail server implementation, OpenSMTPD in its base system.
In a recent message to the tech@ mailing list, Omar Polo (op@) asked for comments or oks for a patches implementing a change of table protocols. A little later, Gilles Chehade (gilles@) posted the backstory to the misc@opensmtpd.org mailing list with the backstory for this change.
The message follows in full below (apparently the otherwise fine marc.info archive site no longer archives the list):
Date: Fri, 03 May 2024 08:22:03 +0000From: gilles@poolp.orgTo: misc@opensmtpd.orgSubject: smtpd: change the table protocolHello,This is a copy of a mail I sent to OpenBSD hackers a few days ago so you are aware of workbeing done on OpenSMTPD by Omar Polo.~~~TL;DR: proposal to change table backends wire protocol to one that's closer to filters, it has proven to work for years now, comes with many benefits and it is a very trivial change that we can pull in a handful of hours: https://tmp.omarpolo.com/smtpd-tables.7.html