Well, for us we have a perl script to find addresses in all lists.
You could most likely write a script to go thru all lists.

On Fri, 7 Mar 2003, Shaun Brazier wrote:

> Hi Guys,
>
> Thanks for all of the helpful emails so far, all very helpful but
> unfortunately this problem still persists.  Perhaps I should make it clear
> what I do know is occurring and perhaps this will make it easier to reach
> the root of the problem:
>
> * We have a single list with no subscribers which has every other list on
> our Listserv server as a sublist, for simplicity I'll refer to this as the
> 'master list'.  This master list is just used as a means of broadcasting,
> for contacting all Listserv users on our server whenever this is necessary,
> it is not used for anything else.  Once again it has no subscribers.
>
> * The two users who are currently having problems receiving mails are both
> from separate companies and have separate domains.  They are not related to
> each other in anyway.
>
> * Neither of these users are subscribed to any lists, I have searched and
> there is no reference to their email addresses or even domains in any lists
> we host.
>
> * I have tried every conceivable method of searching for references to them
> within the lists but cannot find any reference to them whatsoever, to all
> intents and purposes they do not exist as far as listserv is concerned.
>
> However when an email is sent to the 'master list' they still receive
> emails. Upon checking the Listserv web logs I can clearly see that the list
> has sent to their addresses, this means that they are not receiving the
> mails as the result of another list, the 'master list' is definitely sending
> to them directly.  Although it shouldn't because they are not subscribed to
> any lists.  You see the problem?
>
> It seems these users are somehow trapped within Listserv somewhere and I'm
> really not sure how to remove them now, this is hopefully where one of you
> kind, kind people will be able to help out! ;)
>
> I have checked the email headers of the users who have received the messages
> and you can clearly see that they have received these emails direct from our
> Listserv server, but we can see this already by looking at the master list
> log as mentioned above.
>
> Any thoughts on this problem would be much appreciated!
>
> Best Wishes and thanks in advance
>
> Shaun
>
> BTW,
>
> One more quick one, I have also had this problem recently (must be the
> weather in the UK!) if a user gets put into Listserv's Quarantine (i.e.
> sends too many similar mails in a short period and they are considered SPAM
> by Listserv) is it possible to somehow 'release' them from the automatic 48
> hour ban from posting?  I have read the literature but cant find any method
> of releasing a user who has been accidentally and incorrectly identified as
> a spammer! Once again suggestions are much appreciated!
>