Re: getting qmail to retry

[D. J. Bernstein]

> http://www.ietf.org/internet-drafts/draft-ietf-drums-smtpupd-10.txt

See http://cr.yp.to/smtp/klensin.html for a list of problems with
smtpupd-10, including some serious interoperability failures.

Implementors who want documentation of how SMTP actually works should
try my reference manual at http://cr.yp.to/smtp.html.

---Dan