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From: Just E. Mail (justemailimwell-usa.com)
Date: Wed Jun 03 2009 - 10:05:16 CDT
I have this posting out for couple of days and many Techies from this
mailing list responded with suggestions. I did not understand any one of
them because I am a NEWBIE and I was thinking more closed in a SQL box
and thinking of Postfix using the backend PGSQL in some what a
conventional way - database, schema, quiries, so on...
So today with good night sleep, I got up and read "POSTFIX - The
Definitive Guide" by Kyle D. Dent & it made sense. So now I understand
that in Postfix there are MAPS for Data/Information. Each MAP handles a
particular data. For example a MAP for Virtual Domains handles a list of
Virtual Domains, an Aliases Map has a list of emails pointing to other
emails (forwarding), etc. One has to configure each MAP to retrieve its
underlying data/information from a table or a database.
This is very good design used in Postfix but not understanding it
clearly got me down. Now I can setup one or more MAPS to connect to
backend PGSQL as Imake progress.
Thank you all.
I have only one more wish; I wish there was a list of all the MAPS used