On Wed, 5 Nov 2003 [log in to unmask] wrote:

>What about maintaing the subscriber data outside the list and importing it
>nightly in a batch job?  That would override anyone unsubscribing using
>normal mechanisms.  At most they would miss a day's worth of messages.  Or
>if it were a critical message, import before sending.

That's what we do. We also keep our mandatory subscription lists locked,
except during the update process. That system works well for us.