[lug] postfix aliases, best practices?

[bgiles at coyotesong.com]

> I found a CERT site that says, if you aren't using the entry, then
> remove it (for whatever that's worth).  So everything other than
> postmaster is for your convenience (whether it be for logging or making
> it easier for others to contact you e.g. abuse, webmaster, hostmaster,
> ...).

Other RFCs can mandate their own email addresses.  I thought DNS mandated
'hostmaster' as the contact point, and WHOIS supplanted it with the
technical contact.