smtp(1) General Commands Manual smtp(1) (NAME) smtp - SMTP (SYNOPSIS) smtp [-h|--help] (DESCRIPTION) (API) SMTP. API SMTP . CLI SMTP . (OPTIONS) -h, --help ( '-h') (SUBCOMMANDS) smtp-send(1) RFC 5322 (MAIL FROM / RCPT TO / DATA) smtp-raw(1) SMTP smtp-help(1) () smtp smtp(1)