* Add info about tlb in post-install-notes.
* Add WITH_POSTFIX_APPROVE_PATCH knob to fix problem with Postfix's
Delivered-To and Majordomo's approve command.
* Add security fixes from PR ports/28282 with a small change, use SHA1
instead of MD5 for generating cookies.
* Remove security warning, which isn't necessary anymore.
PR: 28282
Submitted by: anders@fix.no
Use new INSTALL_ aliases
Clean up creation of majordom user and group
Fix problem where the local host was set to 'thud.cdrom.com' in everyone's config by default.