Perl

Get the Complete MIME Header of an Email

Demonstrates the read-only Chilkat Email.Header property, which returns the complete MIME header generated from the current in-memory email object. Because this property is read-only, you modify individual fields through their corresponding properties or header methods rather than assigning to Header directly. This example sets a subject, from, and recipient, then prints the full MIME header.

Background: A MIME email is made of two parts separated by a single blank line: the header and the body. The header is a list of Field-Name: value lines — familiar ones include From, To, Subject, and Date, plus structural fields like Content-Type and MIME-Version. Reading the raw header is useful for debugging exactly what a message will look like on the wire.

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Chilkat2 Perl

use strict;
use warnings;
use Chilkat2;

# Demonstrates the read-only Email.Header property, which returns the
# complete MIME header of the email, generated from the current in-memory
# email object.

my $email = Chilkat2::Email->new;

$email->Subject('Test subject');
$email->From('mary@example.com');
$email->AddTo('Joe', 'joe@example.com');

# Header is read-only.  Modify individual fields through their properties
# or header methods rather than assigning to Header.
print $email->Header, "\n";