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What is Sisimai

Sisimai is a Perl module for analyzing RFC5322 bounce emails and generating structured data from parsed results. Sisimai is the system formerly known as bounceHammer 4. Sisimai is a coined word: Sisi (the number 4 is pronounced Si in Japanese) and MAI (acronym of Mail Analyzing Interface).

Key features

Command line demo

The following screen shows a demonstration of Sisimai at the command line using Perl(p5-Sisimai) and Ruby(rb-Sisimai) version of Sisimai.

Setting Up Sisimai

System requirements

More details about system requirements are available at Sisimai | Getting Started page.

Install

From CPAN

$ cpanm --sudo Sisimai
--> Working on Sisimai
Fetching http://www.cpan.org/authors/id/A/AK/AKXLIX/Sisimai-4.22.2.tar.gz ... OK
...
1 distribution installed
$ perldoc -l Sisimai
/usr/local/lib/perl5/site_perl/5.20.0/Sisimai.pm

From GitHub

$ cd /usr/local/src
$ git clone https://github.com/sisimai/p5-Sisimai.git
$ cd ./p5-Sisimai
$ make install-from-local
--> Working on .
Configuring Sisimai-4.22.2 ... OK
1 distribution installed

Usage

Basic usage

Sisimai->make() method provides feature for getting parsed data as Perl Hash reference from bounced email messages like following.

#! /usr/bin/env perl
use Sisimai;
my $v = Sisimai->make('/path/to/mbox'); # or path to Maildir/

# If you want to get bounce records which reason is "delivered", set "delivered"
# option to make() method like the following:
my $v = Sisimai->make('/path/to/mbox', 'delivered' => 1);

if( defined $v ) {
    for my $e ( @$v ) {
        print ref $e;                   # Sisimai::Data
        print ref $e->recipient;        # Sisimai::Address
        print ref $e->timestamp;        # Sisimai::Time

        print $e->addresser->address;   # shironeko@example.org # From
        print $e->recipient->address;   # kijitora@example.jp   # To
        print $e->recipient->host;      # example.jp
        print $e->deliverystatus;       # 5.1.1
        print $e->replycode;            # 550
        print $e->reason;               # userunknown

        my $h = $e->damn();             # Convert to HASH reference
        my $j = $e->dump('json');       # Convert to JSON string
        print $e->dump('json');         # JSON formatted bounce data
    }
}

Convert to JSON

Sisimai->dump() method provides feature for getting parsed data as JSON string from bounced email messages like following.

#! /usr/bin/env perl
use Sisimai;

# Get JSON string from parsed mailbox or Maildir/
my $j = Sisimai->dump('/path/to/mbox'); # or path to Maildir/
                                        # dump() is added in v4.1.27
print $j;                               # parsed data as JSON

# dump() method also accepts "delivered" option like the following code:
my $j = Sisimai->dump('/path/to/mbox', 'delivered' => 1);

Read bounce object

The way to read a bounce object retrived from Cloud Email Services as JSON using their API is the following code. This feature is available at Sisimai 4.20.0 or later.

#! /usr/bin/env perl
use JSON;
use Sisimai;

my $j = JSON->new;
my $q = '{"json":"string",...}'
my $v = Sisimai->make($j->decode($q), 'input' => 'json');

if( defined $v ) {
    for my $e ( @$v ) { ... }
}

As of present, Only Amazon SES and SendGrid are supported.

Callback feature

Beginning with Sisimai 4.19.0, make() and dump() methods of Sisimai accept a sub routine reference in hook argument for setting a callback method and getting the results generated by the method via Sisimai::Data->catch method.

#! /usr/bin/env perl
use Sisimai;
my $callbackto = sub {
    my $emdata = shift;
    my $caught = { 'x-mailer' => '', 'queue-id' => '' };

    if( $emdata->{'message'} =~ m/^X-Postfix-Queue-ID:\s*(.+)$/m ) {
        $caught->{'queue-id'} = $1;
    }

    $caught->{'x-mailer'} = $emdata->{'headers'}->{'x-mailer'} || '';
    return $caught;
};
my $list = ['X-Mailer'];
my $data = Sisimai->make('/path/to/mbox', 'hook' => $callbackto, 'field' => $list);
my $json = Sisimai->dump('/path/to/mbox', 'hook' => $callbackto, 'field' => $list);

print $data->[0]->catch->{'x-mailer'};    # Apple Mail (2.1283)

More information about the callback feature is available at Sisimai | How To Parse - Callback Page.

One-Liner

Beginning with Sisimai 4.1.27, dump() method is available and you can get parsed data as JSON using the method.

$ perl -MSisimai -lE 'print Sisimai->dump(shift)' /path/to/mbox

Output example

[{"rhost": "mx.example.co.jp","recipient": "filtered@example.co.jp","token": "01b88ad40b2f7089a6b1986ade14d323aaad9da2","deliverystatus": "5.2.1","smtpcommand": "RCPT","alias": "filtered@example.co.jp","addresser": "kijitora@example.jp","subject": "test","smtpagent": "Email::Postfix","messageid": "","diagnosticcode": "550 5.2.1 <filtered@example.co.jp>... User Unknown","lhost": "smtp.example.com","replycode": "550","reason": "userunknown","destination": "example.co.jp","action": "failed","softbounce": 0,"timezoneoffset": "+0000","diagnostictype": "SMTP","feedbacktype": "","listid": "","timestamp": 1403375674,"senderdomain": "example.jp"},{"lhost": "smtp.example.com","reason": "userunknown","replycode": "550","destination": "example.co.jp","action": "failed","softbounce": 0,"timezoneoffset": "+0000","diagnostictype": "SMTP","feedbacktype": "","listid": "","timestamp": 1403375674,"senderdomain": "example.jp","rhost": "mx.example.co.jp","recipient": "userunknown@example.co.jp","deliverystatus": "5.1.1","token": "948ed89b794207632dbab0ce3b72175553d9de83","smtpcommand": "RCPT","alias": "userunknown@example.co.jp","addresser": "kijitora@example.jp","subject": "test","smtpagent": "Email::Postfix","messageid": "","diagnosticcode": "550 5.1.1 <userunknown@example.co.jp>... User Unknown"}]

Sisimai Specification

Differences between bounceHammer and Sisimai

The following table show the differences between ver.2 (bounceHammer 2.7.13p3) and Sisimai. More information about differences are available at Sisimai | Differences page.

| Features | bounceHammer | Sisimai | |------------------------------------------------|---------------|-------------| | System requirements(Perl) | 5.10 - 5.14 | 5.10 - 5.26 | | Command line tools | Available | N/A | | Modules for Commercial MTAs and MPSs | N/A | Included | | WebUI/API | Included | N/A | | Database schema for storing parsed bounce data | Available | N/A[1] | | Analytical precision ratio(2000 emails)[2] | 0.49 | 1.00 | | The speed of parsing email(1000 emails) | 4.24s | 1.95s | | The number of detectable bounce reasons | 19 | 29 | | Parse 2 or more bounces in a single email | Only 1st rcpt | ALL | | Parse FeedBack Loop Message/ARF format mail | Unable | OK | | Classification based on recipient domain | Available | N/A | | Output format of parsed data | YAML,JSON,CSV | JSON only | | Easy to install | No | Yes | | Install using cpan, cpanm, or cpm command | N/A | OK | | Dependencies (Except core modules of Perl) | 24 modules | 2 modules | | LOC:Source lines of code | 18200 lines | 8700 lines | | The number of tests in t/, xt/ directory | 27365 tests | 230000 tests| | License | GPLv2 or Perl | 2 clause BSD| | Support Contract provided by Developer | End Of Sales | Available |

  1. Implement yourself with using DBI or any O/R Mapper you like
  2. See ./ANALYTICAL-PRECISION

Other specification of Sisimai

Contributing

Bug report

Please use the issue tracker to report any bugs.

Emails could not be parsed

Bounce mails which could not be parsed by Sisimai are saved in the repository set-of-emails/to-be-debugged-because/sisimai-cannot-parse-yet. If you have found any bounce email cannot be parsed using Sisimai, please add the email into the directory and send Pull-Request to this repository.

Other Information

See also

Author

@azumakuniyuki

Copyright

Copyright (C) 2014-2018 azumakuniyuki, All Rights Reserved.

License

This software is distributed under The BSD 2-Clause License.