After unsuspending sites sometimes the /dev/ directory in the virtual sites directory is missing.
----- The following addresses had permanent fatal errors ----- <[email protected]> (reason: critical OS file missing) ----- Transcript of session follows ----- procmail: Error while writing to "/dev/null" 554 5.3.5 System file missing
The /dev/ directory can normally be recreated by suspending and then unsuspending the site.
DisableVirtDomain <domainname> EnableVirtDomain <domainname>
Mail delivery should now continue.