On 6/17/2011 15:46, Paul Russell wrote:
>
> Have you checked the list configuration to verify that the list is not configured to
> auto-delete subscribers?

i.e., auto-delete= NO

otherwise the default is ...

http://www.lsoft.com/manuals/16.0/htmlhelp/list%20owners/ManagingSubscriptions.html#2338802

13.8 Delivery Error Handling Features
LISTSERV supports several levels of automatic deletion based on error messages passed back to it in
LMail format by certain remote systems. While auto-delete will not solve all of your bouncing mail
problems, it has the potential to take care of most "permanent" errors (including "no such user" and
"no such host"). However, note that auto-delete ignores "temporary" errors such as "host unreachable
for 3 days", "system error", "disk quota exceeded", and so forth, such that users whose accounts
generate "temporary" errors are not summarily deleted from the list.
By default, LISTSERV mailing lists generate a report which lets the list owner know what userids are
causing problems, rather than deleting users at the first error LISTSERV understands. If the Delay()
and Max() parameters are set to non-zero values for a list coded "Auto-Delete= Yes", LISTSERV will not
take immediate action on mail delivery errors. You will receive an "auto-deletion monitoring report"
daily to show you which subscribers are bouncing mail, what the error is, when it started, when the
last error arrived, and how many errors have been received for the subscriber in total. By default,
LISTSERV will wait 4 days (or for a maximum of 100 error messages per individual user) before deleting
a subscriber.
If you code "Delay(0)", LISTSERV will not wait to take action, but will delete the subscriber at the
first error LISTSERV understands. Note carefully that LISTSERV will not generate a daily error
monitoring report when Delay(0) is used.
The default value is "Auto-Delete= Yes,Semi-Auto,Delay(4),Max(100)" for lists coded "Validate= No" and
"Auto-Delete= No" for all other lists.
Under LISTSERV Lite, Auto-Delete= is available but deletes on the first bounce (e.g.,
"Delay(0),Max(1)") regardless of the Delay() and Max() settings.
Implementation of the "Auto-Delete=" keyword is discussed in detail in the List Keyword Reference
<http://www.lsoft.com/resources/manuals.asp> documentunder "Error Handling Keywords."

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