k9mail/k-9 — comment on commit d848b434f5e1d0b0e4102cf561afa97793b35399
File:  line 0
By obra:

On Thu, Jan 05, 2012 at 06:43:51AM -0800, cketti wrote:
> I don't believe the servers are simply too old to know EHLO. RFC821 doesn't know authentication, but I seriously doubt email providers run client SMTPs without authentication.
>

Some of them do POP/IMAP before SMTP. Also, there are a LOT of old servers out there.