On Mon, 28 Aug 2000 15:19:00 -0700, Adam Audette <[log in to unmask]> wrote:

>We use passive probing for our lists (some of which have nearly
>12,000 subscribers) and plan on using it for much larger lists soon
>(over 150k). Is this a bad idea? Is it a big resource hog?

Not if your server uses LSMTP and you have

USE_LSMTP_MAIL_MERGE=1

in the site.cfg file.

This makes LISTSERV handle passive probing as an internally generated mail-merge
job which takes almost no extra resources.

If you aren't using LSMTP then yes, there is a resouce impact.