NAME

Sisimai::Reason::Filtered - Bounce reason is "filtered" or not.

SYNOPSIS

    use Sisimai::Reason::Filtered;
    print Sisimai::Reason::Filtered->match('550 5.1.2 User reject');   # 1

DESCRIPTION

Sisimai::Reason::Filtered checks the bounce reason is "filtered" or not. This class is called only Sisimai::Reason class.

This is the error that an email has been rejected by a header content after SMTP DATA command. In Japanese cellular phones, the error will incur that a sender's email address or a domain is rejected by recipient's email configuration. Sisimai will set "filtered" to the reason of email bounce if the value of Status: field in a bounce email is 5.2.0 or 5.2.1.

This error reason is almost the same as UserUnknown.

    ... while talking to mfsmax.ntt.example.ne.jp.:
    >>> DATA
    <<< 550 Unknown user kijitora@ntt.example.ne.jp
    554 5.0.0 Service unavailable

CLASS METHODS

"text()"

"text()" returns string: "filtered".

    print Sisimai::Reason::Filtered->text;  # filtered

"match(string)"

"match()" returns 1 if the argument matched with patterns defined in this class.

    print Sisimai::Reason::Filtered->match('550 5.1.2 User reject');   # 1

"true(Sisimai::Data)"

"true()" returns 1 if the bounce reason is "filtered". The argument must be Sisimai::Data object and this method is called only from Sisimai::Reason class.