BSD 4_3_Tahoe development

Work on file usr/src/usr.lib/sendmail/src/TODO

Synthesized-from: CSRG/cd2/4.3tahoe

diff --git a/usr/src/usr.lib/sendmail/src/TODO b/usr/src/usr.lib/sendmail/src/TODO
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+(Version 4.1 of 7/25/83)
+
+-- get rid of MAXMAILERS, just allocate them as you go; merge the stats
+       structure in with the MAILERS structure; change the longs in
+       said structure into u_longs; print the file in ASCII, lock the
+       file before reading/printing.
+
+-- clean up sysexits; get rid of EX_BASE, most of sysexits.c is duplicated
+       in deliver.c
+
+-- mailq; split it out, by default, just # of messages, also add sort
+       by machine?
+
+ ******        Finish properly implementing SMTP:
+       - check correct name in HELO exchange (?)
+
+  ***** Add an accounting package.  [acct.c]
+
+  *****        When processing the queue, batch messages on the basis of
+       receiving host rather than message -- so that if connections
+       are expensive to complete, we get the most for our money.
+       Unfortunately, this is a major change, and will probably
+       wait for the next version.
+
+   ****        Put in some more performance hooks.
+
+    *** Integrate a null name server for future hackers.  [names.c]
+
+    *** Have "Operating System Error" give more info (e.g.,
+       "cannot fork").  [It really seems like this is ok now -- but
+       this is an old delivermail gripe -- check it out more?]
+
+     ** Per-mailer timeouts.  Invalidates old .cf files.
+
+     ** Be able to generate a "response" (edit headers, etc.)
+       given a message to respond to.
+
+      * Have VRFY act as a limited name server (?).
+
+      * Implement SEND and related commands in SMTP.
+
+      * Extend full name matching.  This should actually be done in a
+       complete name server.  Should the name server be integrated
+       into sendmail (via a portal?) or should I "assume" that it
+       has been called by the time I am called?