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#!/usr/bin/perl
use warnings;
use strict;
use autodie;
use Data::Dumper;
use Email::Sender::Transport::SMTP::Persistent;
use Email::Stuffer;
use Encode;
use Encode::Locale;
use Encode::MIME::Header;
use Getopt::Long;
use List::Util;
use MCE;
use MCE::Loop;
use MCE::Flow;
use MCE::Shared;
use Path::Tiny;
use Pod::Usage;
use Time::HiRes qw(gettimeofday tv_interval);
use open ':encoding(locale)';
@ARGV = map { decode(locale => $_, 1) } @ARGV;
# ####
# configurable settings
# ####
my $transport = Email::Sender::Transport::SMTP::Persistent->new({
host => 'localhost',
port => 25,
#debug => 1,
});
my $thread_count = 64;
my $chunksize = 1;
# ####
# end config
# ####
=head1 NAME
mailer.pl - send lots of mails
=head1 SYNOPSIS
mailer.pl options ...
Options:
--help, -h short help message
--to <email or file> recipient(s)
--from <email> from
--subject <string> subject
--content-html <file> body of the mail (html part) (optional)
--content-txt <file> body of the mail (text part)
--debug output extra debug information
=cut
my %opts = ();
Getopt::Long::Configure ("bundling");
pod2usage(-verbose => 0) if (@ARGV== 0);
GetOptions(\%opts, "help|h", "to=s", "from=s", "subject=s", "content-html=s", "content-txt=s", "debug") or pod2usage(2);
pod2usage(0) if $opts{help};
sub trim {
my $string = shift;
$string =~ s/^\s+//;
$string =~ s/\s+$//;
return $string;
}
my $subject = $opts{subject};
my $from = $opts{from};
my $content_html;
my $content_txt;
die "Error: subject not set\n" unless ($opts{subject});
die "Error: from not set\n" unless ($opts{from});
die "Error: content-txt not set\n" unless ($opts{"content-txt"});
die "Error: can't read content-txt: $!\n" unless (-r $opts{"content-txt"});
die "Error: can't read content-html: $!\n" if ($opts{"content-html"} and not -r $opts{"content-html"});
if ($opts{"content-html"}) {
$content_html = path($opts{"content-html"})->slurp_utf8;
}
$content_txt = path($opts{"content-txt"})->slurp_utf8;
print "Building email ... " if $opts{debug};
# create mail
# To will be filled when sending
my $msg = Email::Stuffer->new();
$msg->from($from);
$msg->subject(trim($subject));
$msg->text_body($content_txt);
$msg->html_body($content_html);
$msg->header("Precedence", "bulk");
#$msg->header("List-Unsubscribe", "<mailto:$from>");
$msg->transport($transport);
print "done\n" if $opts{debug};
print "creating workers\n" if $opts{debug};
print "Sending\n";
my $send_time = [gettimeofday];
my $queue = MCE::Shared->queue(await => 1, fast => 1);
mce_flow {
task_name => ['producer', 'sender'],
max_workers => [1, $thread_count]},
sub {
if ($opts{to} =~ m/.+\@.+\..+/) {
$queue->enqueue($opts{to});
} else {
if (-r $opts{to}) {
open my $fh, "<", $opts{to};
while (<$fh>) {
$queue->enqueue($_);
$queue->await($thread_count);
}
close $fh;
} else {
print STDERR "Error: can't read recipient file: $!\n";
}
}
$queue->end();
},
sub {
while (defined (my $to = $queue->dequeue())) {
$msg->to($to);
$msg->send();
print "sent mail in worker ".MCE->wid."\n" if $opts{debug};
}
$transport->disconnect;
};
print "done after ".tv_interval($send_time)." seconds\n";
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