Hi Simon,

@29-Oct-2003, 08:46 Simon said:

>> Your membership in the mailing list TBUDL has been disabled due
>> to excessive bounces

> Well this is very odd! Apart from a brief outage of about 10
> minutes early yesterday due to a faulty network cable I have been
> recieving uninterrupted mail from other lists and people without
> any problems. And furthermore, the message notifying me that list
> mail had been suspended was delivered to my list address ???
> What's that about then?

It means that the list has accumulated bounce data on your address
over time and has decided that enough is enough <g>.

... <snip>

> And just how many bounces is 'excessive' btw?

Okay - you asked for it!

,------/ From the MailMan config screen \------
When a bounce is received, Mailman tries to extract two pieces of
information from the message: the address of the member the message
was intended for, and the severity of the problem causing the
bounce. The severity can be either hard or soft meaning either a
fatal error occurred, or a transient error occurred. When in doubt,
a hard severity is used.

If no member address can be extracted from the bounce, then the
bounce is usually discarded. Otherwise, each member is assigned a
bounce score and every time we encounter a bounce from this member
we increment the score. Hard bounces increment by 1 while soft
bounces increment by 0.5. We only increment the bounce score once
per day, so even if we receive ten hard bounces from a member per
day, their score will increase by only 1 for that day.

When a member's bounce score is greater than the bounce score
threshold, the subscription is disabled. Once disabled, the member
will not receive any postings from the list until their membership
is explicitly re-enabled (either by the list administrator or the
user). However, they will receive occasional reminders that their
membership has been disabled, and these reminders will include
information about how to re-enable their membership.
`------\ End /------

The current bounce threshold is 5. This means that 5 days of hard
bounces in a 7 day period will result in a suspension. The problem
with this is that one glitch per day will result in an unfair
suspension. Actually, I think the problem may be the "stale after"
setting. This will reset the bounce count if no new bounces happen
after 'n' days. This was set to 7. I think 2 is more appropriate.

-- 
Cheers -- .\\arck D Pearlstone -- List moderator
SB! v2.01.12 on Windows XP 5.1.2600 Service Pack 1
'

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