Re: [Mailman-Users] Unexplained unsubscribes of yahoo.comemail addresses

2010-03-01 Thread Mark Sapiro 
Brian Carpenter wrote:

You can check your mail log to see if you are seeing a high number of Yahoo!
deferrals. If so then those deferrals may be behind those unsubscribes,


Yahoo deferrals should not cause this. The message should be simply
queued and retried in the MTA with no notification to Mailman. Even a
delayed message to Mailman (e.g., your message hasn't been delivered
for 4 hours - will keep trying) should not result in a bounce, and in
my experience, Yahoo always ultimately accepts the message before the
MTA gives up and returns failure to Mailman.

-- 
Mark Sapiro m...@msapiro.netThe highway is for gamblers,
San Francisco Bay Area, Californiabetter use your sense - B. Dylan

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Re: [Mailman-Users] Unexplained unsubscribes of yahoo.comemail addresses

2010-03-01 Thread Brian Carpenter 
 my experience, Yahoo always ultimately accepts the message before the
 MTA gives up and returns failure to Mailman.

We have a server where this problem is happening and in the case of this
particular server (being solely used by a single non-profit organization)
Yahoo is being VERY persistent in delaying their messages and they are
seeing Yahoo.com addresses being unsubsribed. We are in the process of
working with Yahoo in trying to get this server whitelisted with them.

Brian
http://mailmanhost.com


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