[please don't top-post.  Thanks.]

On 1/18/2012 11:24 AM, João Pagaime wrote:
> Hello Noel Jones
> 
> thanks, that's my fallback situation: unroll all addresses from
> DOM1.com and DOM2.com:
> 
> a...@dom.com  a...@dom1.com, a...@dom2.com
> a...@dom.com  a...@dom1.com, a...@dom2.com
> ....
> 
> however I would like to avoid that because of administrative overhead
> (setup and future maintenance). DOM1.com and DOM2.com are 2 separate
> organizations that recently gained administrative  affinities
> 
> the simply operation of obtaining the complete address lists from
> DOM1.com and DOM2.com may not be easy


While it is possible to do wildcard rewriting with a simple regexp,
it is *strongly* discouraged because it turns your server into a
backscatter source.  Your queue will fill with undeliverable bounces
and eventually get you blacklisted.  You can find examples both of
wildcard regexp's that work and folks who were blacklisted for using
them in the archives.

You're far better off getting a recipient list and implementing it
right the first time.  It's always better to walk around the pile
rather than step in it and hope it cleans off.



  -- Noel Jones

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