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Article #703

Re: downtime that just happened - Tuesday 9/9/97

#703
From: Eli the Bearded
Date: Wed, 10 Sep 1997 00:00
26 lines
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Chris Caputo <ccaputo@alt.net> wrote:
> nobody@nowhere.com (E.C.H.) writes:
> >Ouch.  What happened to incoming email during that time?  Did it get
> >bounced?
> In most (99+%) cases no.  Most mail servers will hold mail for 3 to 5 days
> while trying to get it to its destination.  They will retry sends at
> periodic intervals (like every 15 or 30 minutes). 

One technique I have seen advoacted to get rid of spam email is to
refuse the first connection from any server. Real mail gets delayed
that 15 to 30 minutes but spam houses don't bother retrying. It is
not effective against relayed spam mail however unless the admin of
the relay site notices and stops the relaying in that period -- not
likely if they still allow relaying.

> So, unless we are down for more than 3 days, mail will generally not be
> lost. 

Depending on how you have your nameservice, etc. set up, you might be
able to to put a new MX record in that amount of time to accept the
mail elsewhere during such an outage.

Elijah
------
the refuse-first-connect technique is not popular
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From: Eli the Bearded <usenet-tag@qz.little-neck.ny.us>
Subject: Re: downtime that just happened - Tuesday 9/9/97
Date: 1997/09/10
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