In the context of SMTP, Hscan 1.2 was often used to find "Open Relays"—mail servers that allow anyone to send mail through them, a major security flaw often exploited by spammers.
Scanning critical infrastructure daily or weekly to find "0-day" style exposures. Smtp Scanner Hscan 1.2 Download
Verify that mail gateways are correctly filtering external delivery. In the context of SMTP, Hscan 1
In the context of SMTP (Simple Mail Transfer Protocol), Hscan 1.2 operated through a straightforward TCP connection process. In the context of SMTP