On Mon, 13 Jan 2003, Wietse Venema wrote:

> It really would be a lot simpler for me if people used the master.cf
> -o name=value mechanism sparingly.
>

To amplify this point, only use "-o" in master.cf if either:

A. You have yourself read the relevant source code (for the appropriate
release!) and understand the behaviour of the master.cf "-o" option.

OR

B. You are following a recipe written by someone you trust to have done
"A", the recipe applies to the version of Postfix you are using. If the
"-o" options you are using are not documented in README or sample files of
a new Postfix release, it is wise to search the list archives for answers
or failing that ask the list whether the "undocumented" "-o" options still
work with the new release. Avoid "-o" options unless in your environment
Postfix is *unusable* without them.

-- 
	Viktor.

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