typically (in no order): 1) forwarding of subscriber e-mail to a different account or re-written address 2) a third party's virus infected PC sent out spam that made it look like it came from your list and bounced when it sent to a victim's [non-existent?] address 3) subscribed once, but now no longer subscribed, yet bounces from older messages still occurring See if anyone is subscribed by doing a SCAN listname RANGLE Actually, I fully expect 2) above especially is this only occurred in a onesy / twosy kind of way If really really interested in the bounce (assuming that it continues), temporarily turn OFF daily error monitoring. /Pete Weiss @ Penn State [F/T until 30 Sept 04] At 09:52 09/02/2004 Thursday, Christine Quiriy wrote: >In the daily error monitoring report for one of my lists, two of the >subscribers reported as being monitored don't exist. How and why does >that happen? Can this be explained at a superficial level? > >I noticed because the email addresses were obviously bogus: > >1 09/01 09/01 [log in to unmask] > Last error: Domain "RNAGTLTELGT.ORG" doesn't exist. > >1 09/01 09/01 [log in to unmask] > Last error: Domain "RNAGTLTELGT.ORG" doesn't exist.