Subscriptions being disabled

Ok. Here is another problem.
Today, I found that the subscriptions of twenty or so members have been disabled for excessive bounces. The message accompanying each disabled subscription is:
":fail: Domain skipperweb.org has exceeded the max emails per hour. Message discarded.
Now, this is odd, because there seems to have been only one message sent out for the whole day. I did not receive any previous bounce notifications from these addresses, so if they are bouncing something with my listname on it, it isn't coming back to me in any way that I can find it. I've got the list-owner and the list-moderator set for my email address. I've got every notification I can find set for yes. I have bounce processing turned on. The bounce_score_threshold is set for 5.0.
So, while I go and enable everyone's subscription again, maybe someone can throw some more ideas at me.
Skipper
-- Robert Boyd Skipper P.O. Box 593 Wimberley, TX 78676

On Wed, 26 Dec 2007, Robert Boyd Skipper wrote:
The message seems pretty self-explanatory to me. It sounds like your provider limits you to a certain number of outgoing messages per hour and you've exceeded it.
Depending on how you have mailman configured and how your your provider counts e-mails (by message or by recipient), one e-mail to the list will generate one or more outgoing messages. If you have VERP or full personalization turned on, then each message to the list will generate one outgoing message for each recipient.
For example, with VERP on, if you have 120 members, then you generate 120 outgoing messages. If the limit is 100 per hour, then at least 20 of them will bounce (the exact number will depend on how many other outgoing messages you've sent that hour for other reasons, e.g., you message to this list).
With bounce processing turned on, you don't get notified until the bounce threshold is exceeded. Until then, the bounces get logged in the Mailman bounce log but that's it. So all of them have bounced five times before you were notified.
-- Larry Stone lstone19@stonejongleux.com

Larry:
Thank you. What was not clear to me was who discarded the message. You're saying it was my own provider. That explains a lot. I thought it was the recipient.
If my provider is blocking the last few names on my low-volume list, I've got a serious problem. Thanks again for explaining so clearly and patiently.
Skipper
Larry Stone wrote:
-- Robert Boyd Skipper P.O. Box 593 Wimberley, TX 78676

On Wed, 26 Dec 2007, Robert Boyd Skipper wrote:
The message seems pretty self-explanatory to me. It sounds like your provider limits you to a certain number of outgoing messages per hour and you've exceeded it.
Depending on how you have mailman configured and how your your provider counts e-mails (by message or by recipient), one e-mail to the list will generate one or more outgoing messages. If you have VERP or full personalization turned on, then each message to the list will generate one outgoing message for each recipient.
For example, with VERP on, if you have 120 members, then you generate 120 outgoing messages. If the limit is 100 per hour, then at least 20 of them will bounce (the exact number will depend on how many other outgoing messages you've sent that hour for other reasons, e.g., you message to this list).
With bounce processing turned on, you don't get notified until the bounce threshold is exceeded. Until then, the bounces get logged in the Mailman bounce log but that's it. So all of them have bounced five times before you were notified.
-- Larry Stone lstone19@stonejongleux.com

Larry:
Thank you. What was not clear to me was who discarded the message. You're saying it was my own provider. That explains a lot. I thought it was the recipient.
If my provider is blocking the last few names on my low-volume list, I've got a serious problem. Thanks again for explaining so clearly and patiently.
Skipper
Larry Stone wrote:
-- Robert Boyd Skipper P.O. Box 593 Wimberley, TX 78676
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Larry Stone
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Robert Boyd Skipper