Ricardo SIGNES > Email-MessageID > Email::MessageID

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Module Version: 1.405   Source  

NAME ^

Email::MessageID - Generate world unique message-ids.

VERSION ^

version 1.405

SYNOPSIS ^

  use Email::MessageID;

  my $mid = Email::MessageID->new->in_brackets;

  print "Message-ID: $mid\x0A\x0D";

DESCRIPTION ^

Message-ids are optional, but highly recommended, headers that identify a message uniquely. This software generates a unique message-id.

METHODS ^

new

  my $mid = Email::MessageID->new;

  my $new_mid = Email::MessageID->new( host => $myhost );

This class method constructs an Email::Address object containing a unique message-id. You may specify custom host and user parameters.

By default, the host is generated from Sys::Hostname::hostname.

By default, the user is generated using Time::HiRes's gettimeofday and the process ID.

Using these values we have the ability to ensure world uniqueness down to a specific process running on a specific host, and the exact time down to six digits of microsecond precision.

create_host

  my $domain_part = Email::MessageID->create_host;

This method returns the domain part of the message-id.

create_user

  my $local_part = Email::MessageID->create_user;

This method returns a unique local part for the message-id. It includes some random data and some predictable data.

in_brackets

When using Email::MessageID directly to populate the Message-ID field, be sure to use in_brackets to get the string inside angle brackets:

  header => [
    ...
    'Message-Id' => Email::MessageID->new->in_brackets,
  ],

Don't make this common mistake:

  header => [
    ...
    'Message-Id' => Email::MessageID->new->as_string, # WRONG!
  ],

AUTHORS ^

COPYRIGHT AND LICENSE ^

This software is copyright (c) 2004 by Casey West.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

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