matchuser() now optionally matches built-in sysop aliases.
Added support for SMTP semaphore file created after receiving new mail.

Added "default user" featur for "catch all" e-mail.

addresses (e.g. user@host:port).
alias.cfg can now specifcy external servers (different address or port), and the
'*' wildcard char is supported (e.g. *@somedomain.com *@otherdomain.com).

User #1 pseudonym matching is now handled by matchuser().

Fixed potential buf[-1] reference in message saving.
Set a hard maximum number of recipients in a given mail session (currently 1000).

Added email.can and subject.can checking as sysop-configurable SPAM filters.

Fixed potential NULL pointer de-reference bug (new).
Added support for external address aliases (you@somedomain.com  = sysop) in the alias.cfg file.
Now store original destination address in "name" field of SMB header.

Added real IP and hostname if different from sender's stated address.

Move SMB hfield creation for sender name and address to support RFC headers that are missing these fields
(uses reverse-path instead).

Uses ctrl/relay.cfg now instead of text/relay.can.

Also handles resetting daily user stats if online during date change.

Updated mail-abuse.org DNS and HTTP server addresses.