Chris,

> Mark, why don't you just drop DSPAM support

We'll see what comes out of this discussion.

For the moment whatever DSPAM support there is,
is purely a quick hack / experiment / example code.
I used it for a short while after somebody asked for it,
until it became too slow (the dspam version at that time,
using bdb) - and I didn't bother with it again. 

> (and maybe add LMTP reinjection like
> $forward_method = 'lmtp:[127.0.0.1]:24')? 

I gladly would, but until there is a dependable Perl module for client-side 
LMTP, I'm not volunteering to write one of to fix the existing one. Some time
ago I tried to persuade the author of Net::SMTP to add some features
to Net::SMTP, and while at it, it could even be extended to provide LMTP.
Unfortunately Graham is too busy with other projects / lost interest in 
Net::Server, so this all remained on a wish list - this is from my TODO:

- resolve Net::SMTP deficiencies:
  * it should support pipelining;
  * enqueue SMTP responses and make them available in order or arrival,
    (needed for pipelining);
  * it should not report error if an optional parameter (e.g. SIZE)
    is available but MTA does not support it - should be silently ignored;
  * needs API to query a list of services offered by a server (EHLO response);
  * missing parameter - passing AUTH 'submitter' in MAIL FROM;
  * missing parameter - passing ORCPT in RCPT TO (needed for DSN - RFC 3461);
  * fix broken error report in IO::Socket when non-blocking mode is used
    (when timeout is nonzero): instead of 'Invalid argument' it should tell
    that the server is not reachable;
  * make use of IO::Socket::INET6 to provide IPv6 support;
  * investigate possibility of enhancing it to support LMTP;

I would be very happy if someone would volunteer and take over
support for Net::SMTP.

  Mark


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