SMTP Open Relay scanner
IIS requires a hello first
Fix write_file on FreeBSD

[SeeRM #8083]
Use fixed `write_file` instead of re-implementing
Fix module
Land #2021 - Add SMTP open relay detection
Land #2026, @egypt's patch for write_file on freebsd
reference updates
Land #2028, update references for multiple modules
Merge branch 'master' into autoload