On Wed, 16 Feb 2005 01:46:09 PST, Owen DeLong said:
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Um, you actually have to work somewhat to get sendmail to support unauthenticated submission on port 587. The default configuration is that port 25 is unauthenticated (albeit with some restrictions on relaying (only for local clients)) and port 587 is authenticated.
As such, I'm not sure why you seem to think that sendmail on port 587 is unauthenticated.
Umm.. because the Sendmail 8.13.3 tree has this: (from cf/README): ---- If DAEMON_OPTIONS is not used, then the default is DAEMON_OPTIONS(`Port=smtp, Name=MTA') DAEMON_OPTIONS(`Port=587, Name=MSA, M=E') ---- from doc/op/op.me: That is, one way to specify a message submission agent (MSA) that always requires authentication is: .(b O DaemonPortOptions=Name=MSA, Port=587, M=Ea .)b Hmm.. no default 'a' to require authentication by default. That would probably explain why you actually have to work to set it up.