On Fri, 2011-03-04 at 17:34 -0500, Bill Davidsen wrote: > I'd rather not roll my own if there's a solution of the "why didn't > you just use..." type. I would probably have gone with: Palm the workload off onto an external list server, that already automatically handles subscriptions and bounces. In the changeover period, it probably is best to individually contact each subscriber with a resubscribe message to clean up your list. There probably are some people who've just hit the "this message is junk mail," on their original subscription, instead of bothering to unsubscribe. A bit of a braindead thing to do, and problematic if it reports the message externally. Sendmail is supposed to have validity testing, though I don't know if it can handle your problem (smartly dealing with individual duff addresses in a big list of addresses). -- [tim@localhost ~]$ uname -r 2.6.27.25-78.2.56.fc9.i686 Don't send private replies to my address, the mailbox is ignored. I read messages from the public lists. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines