NAME

Sisimai::SMTP::Command - SMTP Command related utilities

SYNOPSIS

    use Sisimai::SMTP::Command;
    Sisimai::SMTP::Command->find('in reply to RCPT TO command');  # RCPT

"Sisimai::SMTP::Command" is a class for finding the last SMTP command from given error message.

test() method checks whether the SMTP command is a valid command or not

    print Sisimai::SMTP::Command->test('STARTTLS'); # 1
    print Sisimai::SMTP::Command->test('NEKO');     # 0

find() method returns the last SMTP command like the following:

    print Sisimai::SMTP::Command->find('MAIL FROM: <> 250 OK RCPT TO: <...> 550');  # "RCPT"