Perl

カテゴリとUnique Argumentsは個人を特定できる情報を含まない（非PII）ことを前提としたフィールドであり、SendGridがシステムを運用する際に集計に使用される可能性があります。また、これらのフィールドは通常、編集することはできません。したがって、ここにPIIを含めないよう注意してください。これらのデータはSendGrid内部で閲覧でき、お客様がSendGridの利用を終了した後も長期的に保存され続ける可能性があります。

SmtpApiHeader.pm

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#!/usr/bin/perl

# Version 1.0
# Last Updated 6/22/2009
use strict;
package SmtpApiHeader;
use JSON;

sub new
{
  my $self = shift;
  my @a = ();
  $self = { 'data' => { }};
  bless($self);
  return $self;
}

sub addTo
{
  my $self = shift;
  my @to = @_;
  push(@{$self->{data}->{to}}, @to);
}

sub addSubVal
{
  my $self = shift;
  my $var = shift;
  my @val = @_;

  if (!defined($self->{data}->{sub}->{$var}))
  {
    $self->{data}->{sub}->{$var} = ();
  }
  push(@{$self->{data}->{sub}->{$var}}, @val);
}

sub setUniqueArgs
{
  my $self = shift;
  my $val = shift;
  if (ref($val) eq 'HASH')
  {
    $self->{data}->{unique_args} = $val;
  }
}

sub setCategory
{
  my $self = shift;
  my $cat = shift;
  $self->{data}->{category} = $cat;
}

sub addFilterSetting
{
  my $self = shift;
  my $filter = shift;
  my $setting = shift;
  my $val = shift;
  if (!defined($self->{data}->{filters}->{$filter}))
  {
    $self->{data}->{filters}->{$filter} = {};
  }
  if (!defined($self->{data}->{filters}->{$filter}->{settings}))
  {
    $self->{data}->{filters}->{$filter}->{settings} = {};
  }
  $self->{data}->{filters}->{$filter}->{settings}->{$setting} = $val;
}

sub asJSON
{
  my $self = shift;
  my $json = JSON->new;
  $json->space_before(1);
  $json->space_after(1);
  return $json->encode($self->{data});
}

sub as_string
{
  my $self = shift;
  my $json = $self->asJSON;
  $json =~ s/(.{1,72})(\s)/$1\n   /g;
  my $str = "X-SMTPAPI: $json";
  return $str;
}

使用方法

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#!/usr/bin/perl
use SmtpApiHeader;

my @receiver = ('kyle','bob','someguy');

my $hdr = SmtpApiHeader->new;

my $time = '1pm';
my $name = 'kyle';

$hdr->addFilterSetting('subscriptiontrack', 'enable', 1);
$hdr->addFilterSetting('twitter', 'enable', 1); #please check the apps available for your current package at https://sendgrid.com/pricing
$hdr->addTo(@receiver);
$hdr->addTo('kyle2');

$hdr->addSubVal('-time-', $time);

$hdr->addSubVal('-name-', $time);
$hdr->setUniqueArgs({'test'=>1, 'foo'=>2});

print $hdr->as_string;

print "\n";
 </code>

##  Full Perl Example
<p>The following code builds a MIME mail message demonstrating all the portions of the SMTP API protocol. To use this example, you will need to have the following perl modules installed:</p>
 <ul class="regular">
    <li>MIME::Entity</li>
    <li>Authen::SASL</li>
    <li>JSON</li>
 </ul>
 <code>
#!/usr/bin/perl
use strict;
use SmtpApiHeader;
use MIME::Entity;
use Net::SMTP;

my $hdr = SmtpApiHeader->new;

# The list of addresses this message will be sent to
my @toList = ('isaac@example', 'tim@example', 'jose@example');

# The names of the recipients
my @nameList = ('Isaac', 'Tim', 'Jose');

# Another substitution variable
my @timeList = ('4pm', '1pm', '2pm');

# Set all of the above variables
$hdr->addTo(@toList);
$hdr->addSubVal('-name-', @nameList);
$hdr->addSubVal('-time-', @timeList);

# Specify that this is an initial contact message
$hdr->setCategory("initial");

# Enable a text footer and set it
$hdr->addFilterSetting('footer', 'enable', 1);
$hdr->addFilterSetting('footer', "text/plain", "Thank you for your business");

my $from = 'you@yourdomain.com';

# For multiple recipient emails, the 'to' address is irrelevant
my $to = 'example@example.com';
my $plain = <<EOM;
Hello -name-,

Thank you for your interest in our products. We have set up an appointment
to call you at -time- EST to discuss your needs in more detail.

Regards,
Fred
EOM

my $html = <<EOM;
<html>
 <head></head>
 <body>
  <p>Hello -name-,<br />
   Thank you for your interest in our products. We have set up an appointment<br />
   to call you at -time- EST to discuss your needs in more detail.<br />

    Regards,<br />
    Fred<br />
  </p>
 </body>
</html>
EOM

# Create the MIME message that will be sent. Check out MIME::Entity on CPAN for more details
my $mime = MIME::Entity->build(Type  => 'multipart/alternative' ,

Encoding => '-SUGGEST',
From => $from,
To => $to,
Subject => 'Contact Response for <name> at <time>');

# Add the header
$mime->head->add("X-SMTPAPI", $hdr->asJSON);

# Add body
$mime->attach(Type => 'text/plain',
                    Encoding =>'-SUGGEST',
                    Data => $plain);

$mime->attach(Type => 'text/html',
                    Encoding =>'-SUGGEST',
                    Data => $html);

# Login credentials
my $username = 'apikey';
my $api_key = "your_api_key";

# Open a connection to the SendGrid mail server
my $smtp = Net::SMTP->new('smtp.sendgrid.net',
                    Port=> 587,
                    Timeout => 20,
                    Hello => "yourdomain.com");

# Authenticate
$smtp->auth($username, $api_key);

# Send the rest of the SMTP stuff to the server
$smtp->mail($from);
$smtp->to($to);
$smtp->data($mime->stringify);
$smtp->quit();