Mail delivery errors

I can’t say I’m appreciating all the emails like the following “Mail Delivery
Failed: …” that I receive each time I send to the list.

Is somebody able to fix it?

Cheers,
Gavin

···

This message was created automatically by mail delivery software (Exim).

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

pipe to | /home/corion/bin/sortmail.pl
generated by corion@brother
Child process of address_pipe transport returned 2 from command:
/home/corion/bin/sortmail.pl

[…]

“Gavin Sinclair” gsinclair@soyabean.com.au writes:

I can’t say I’m appreciating all the emails like the following “Mail
Delivery Failed: …” that I receive each time I send to the list.

Is somebody able to fix it?

This person should be removed from the list:

corion@informatik.uni-frankfurt.de