Listserv Gurus and Mentors,



Beginning a few weeks ago, nearly all of our Listserv daily error monitoring reports show the Last error as  "5.1.0 Probe failed", as shown in the example below. This is strange for several reasons:

·         We don’t do probing.

·         The number of failures increased rapidly a couple of weeks ago.

·         We used to see other types of errors, but now we only see Probe failed errors.



It’s as though the legitimate reasons for the errors are all being changed to Probe failed instead of what they should be.



Here is an example of a recent report with names and email addresses redacted to protect the innocent:



The  following 7  subscribers  were deleted  from  the SYSTEM-ADMIN  list

today:



  Redacted name and email address

  Last error was: 5.1.0 Probe failed



  Redacted name and email address

  Last error was: 5.1.0 Probe failed



  Redacted name and email address

  Last error was: 5.1.0 Probe failed



  Redacted name and email address

  Last error was: 5.1.0 Probe failed



  Redacted name and email address

  Last error was: 5.1.0 Probe failed



  Redacted name and email address

  Last error was: 5.1.0 Probe failed



  Redacted name and email address

  Last error was: 5.1.0 Probe failed



The following 14 addresses are currently being monitored: (Remember, some addresses may not be subscribers.)



Err First Last  Address

--- ----- ----- -------

33 05/02 05/07   Redacted name and email address

                Last error: 5.1.0 Probe failed



17 05/06 05/07   Redacted name and email address

                Last error: 5.1.0 Probe failed



12 04/24 05/02   Redacted name and email address

                Last error: 5.1.0 Probe failed



11 04/24 05/02 Redacted name and email address

                Last error: 5.1.0 Probe failed



10 04/24 05/03 Redacted name and email address

                Last error: 5.1.0 Probe failed



  5 05/02 05/06 Redacted name and email address

                Last error: 5.1.0 Probe failed



  5 05/02 05/06 Redacted name and email address

                Last error: 5.1.0 Probe failed



  5 05/02 05/06 Redacted name and email address

                Last error: 5.1.0 Probe failed



  5 05/02 05/06 Redacted name and email address

                Last error: 5.1.0 Probe failed



  5 04/29 04/30 Redacted name and email address

                Last error: 5.1.0 Probe failed



  4 04/24 05/02 Redacted name and email address

                Last error: 5.1.0 Probe failed



  4 04/25 04/30 Redacted name and email address

                Last error: 5.1.0 Probe failed



  4 05/02 05/02 Redacted name and email address

               Last error: 5.1.0 Probe failed



  1 05/06 05/06 Redacted name and email address

                Last error: 5.1.0 Probe failed



Err=   Number of delivery errors received thus far

First= Date first delivery error was received (mm/dd) Last=  Date of most current delivery error (mm/dd)



Subscribers will  be automatically  deleted from  the list  when delivery errors have been reported  for a period of 10 days or  more, or when more than  100 delivery  errors have  been received,  whichever occurs  first.

Monitoring will cease after 11 days without any reported errors.



Note: Manually  deleted subscribers may  remain on the  monitoring report under an alias  address. Such entries will expire eventually.  You do not need to do anything about them.



Any thoughts on a cause or cure for this?



Thanx,



Reed






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Reed Farnsworth
KNOWLEDGE BASE ANALYST/CS TRAINING COORDINATOR
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