Devise an error-handling rule that will detect an address that
contains a username and an
@ character but no host part.
Is it possible to have text in the LHS that is literally
$+, rather than an operator with the same
The client.cf file uses
$#error to handle errors
in rule set 0.
Examine your site's sendmail.cf file to see if it is
legal to use
$#error in other rule sets.