Kyle Wheeler <kyle-qmail@memoryhole.net> wrote:
>
> Because of some recent spammer behavior (looks like
> reverse-tarpitting), I'm considering reducing my timoutsmtpd value
> from the default 1200 seconds to 60 or less. I haven't really
> thoroughly considered the repercussions of such an action, but it
> seems to me that there's very little reason to wait more than a few
> seconds for each new piece of data from the client. I don't see any
> requirement in the SMTP protocol that I must wait for a particularly
> long amount of time...
Section 4.5.3.2 of rfc2821 talks a little about this, although mostly from a
client's point of view. It does recommend at least a 3 minute timeout on each
send during the DATA phase.
Charles
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