First, sorry for the late reply.....vacations happen. :)


On Jun 7, 2012 at 19:10 -0600, Ben Parker wrote:

<Good stuff about different email addresses need removed>

=> owner-listname*user**example*[log in to unmask]  PROBE format bounces
=>
=>which could mean a potentially infinite number of address aliases you have to
=>create and maintain along with all the subscribers to all of your lists.  
=>(I did say that this is A Really Bad Idea™ and a LOT of work.)
=>You are already doing this with your 'jiggery pokey' work, which you want to
=>replace with other 'jiggery pokey' work.

I asked this a couple of years ago, but it should would be nice if the 
format of the probe email address could be changed by the site admin.  
I would love to see an option to format the address something like:

	<owner-listname+user**example*[log in to unmask]> or

	<owner-listname-probe+user**example*[log in to unmask]>


This would allow sites that support sub-addresses[1] to not have to 
create a email routing entry in their email routing layer (gateway) when 
they want the gateway to be authoritative for ALL email addresses in their 
domain(s)/netspace.  The owner-listname-probe at domain address is 
defined just once in the mail gateway, but the gateway still routes the 
probe emails such that LISTSERV can do all of it current delivery status 
checks.



Note 1: sub-addresses have been around for many many years (at least 
since late 80s) and are supported by several/many/most(?) MTAs.  The 
definition of a sub-address is probably best explained in the 
introduction to RFC 5233 - Sieve Email Filtering: Subaddress Extension 
<http://www.ietf.org/rfc/rfc5233.txt>.  The plus (+) character is the 
address typically used, but I think that Postfix uses an underscore (_) 
by default but can be changed.  (Don't get me started on web form email 
address validation functions that don't consider a plus character to be 
part of a valid email address. :)



-- 
***********************************************************************
Derek Diget                            Office of Information Technology
Western Michigan University - Kalamazoo  Michigan  USA - www.wmich.edu/
***********************************************************************


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