permissions on *nix possibly making untouchable later.

error and is fairly common on Linux.

Since the only way to correcty detect NPTL is at *runtime*, add that
detection in to main() and honour it throughout.  sbbscon.h makes the
thread_suid_broken variable/macro available to other files which need it.

* Don't apply subject filter to messages from authenticated users (this should
  probably be configurable).
* Don't send notification telegram for mail received from DNSBL-listed servers.

it was possible to have the same message sent out from both instances since
the non-cached copy of the message header was not being checked for the
"deleted" attribute. This usually only happened when several outbound messages
were being delivered all at once (e.g. listserver).

portion of recipient e-mail address.

SMTPFORWARDPATH header field.

We really need a single, unified cmdstr() function. :-(

(via the alias.cfg file) no longer worked because the ":port" portion of the
destination address wasn't being removed.

example, [telnet|rlogin] would set the socket options for either telnet or
rlogin servers, while [telnet] would set the socket options only for the telnet
server.

(replacing sockopts.cfg).

and no DNS servers are found, print a sensible error message.

Automatically detect the DNS server (randomly chosen from the list of configured
DNS servers) if no DNS server is configured.
For *nix, this assumes you have read access to /etc/resolv.conf (where da 'e'?)
For Win32, this assumes you have IPHLPAPI.DLL on your system (included with
Win98+).

Simplify the bouncing of e-mails using smb_updatemsg() and the original
message's from_ext convenience pointer.
No need to call smb_init_idx() here since smb_addmsghdr()->putmsg() does
this already (in the latest smblib).

now does this for us).
Set the SMB recipient extension header field when routing to QWKnet node
(this is necessary for fixsmb to be able to reconstruct the index file).
Use new function smb_updatemsg() to mark sent SMTP mail as deleted (much
easier).

records (using smb_putmsg) - keeps the index file from being truncated during
the operation (nightly purging of deleted message indexes?) causing corruption.

Don't directly access the index (.sid) file stream, reading a record at time
with no locking. Instead, read all the relevant index records in one safe
locked operating (using loadmail()) - this should fix the multi-server heavy
traffic mail.sid corruption bug.

on FreeBSD.

(typically FTN netmail messages).
Also fixed possible memory leak in the process.

(e.g. sbcglobel.net [sic]).

script's termination.

or in domains.cfg, connect to the Synchronet SMTP server... by IP if mail is
bound to a specific IP, or "127.0.0.1" if it is not.

If ANYONE can come up with a reason that email which gets to the BBS should
mot be handled by the BBS if the BBS is configured for it, let me know!

Fix spelling error which keeps spreading to new files.