> I think the problem was that the original developers of sendmail have mostly > disappeared. > More or less. > It looked like abandonware.
Nope, still here. Granted, the release cycle has slowed, but new features are being tested and coming (e.g., SMTPUTF8/EAI, MTA-STS). I'll be integrating 8.17.2 into FreeBSD upon its release as it has stabilized the EAI work for those who wish to use it.
