[BUGFIX] Send mail only if user has email address

11 jobs for develop in 9 minutes and 38 seconds (queued for 6 seconds)
Name Stage Failure
failed
test:rector Test
         files in "$parameters->set(Option::AUTOLOAD_PATHS, [...]);" or         
"$parameters->set(Option::BOOTSTRAP_FILES, [...]);" in "rector.php"
config.
See https://github.com/rectorphp/rector#configuration".

! [NOTE] 2 files were added

Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1