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how to use IO::Socket

Posted on 2002-03-16
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Last Modified: 2008-03-17
Maneshr...to answer your question.

Yes, I do know the smtp and pop3 server names to test out the IO::Socket module.  I will also be running my own mail server from IIS in Win2k server in the near future.

Is it safe to be opening up new sockets on the fly?  Maybe that was a dumb question.
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Question by:GorGor1
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maneshr earned 100 total points
ID: 6872903
GorGor1,

".. I will also be running  my own mail server from IIS in Win2k server in the near future...."

Excellent!!

Try this script that i have been using for a long time now.

It works just fine for me.

Let me know how it works on your server.

===gorgor.pl
$|++;

&sendMail('mail.server.com','from_your_email_id@server.com','recipeient@server.com','Testing',"Testing 1-2-3\nRgds,\n");

sub sendMail {
     my ($host, $from, $to, $subject, $message) = @_;

     require IO::Socket;
     my $remote = IO::Socket::INET->new(
     Proto    => "tcp",
     PeerAddr => $host,
     PeerPort => "smtp(25)",
     ) || die $!;
     my $debug = <$remote>;
     print $remote "MAIL FROM: $from\n";
     $debug .= <$remote>;
     print $remote "RCPT TO: $to\n";
     $debug .= <$remote>;
     print $remote "DATA\n";
     $debug .= <$remote>;
     print $remote "From: $from\nTo: $to\nSubject: $subject\n\n";
     print $remote "$message\n";
     print $remote ".\n";
     $debug .= <$remote>;
     close $remote;
     return $debug;
 }
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by:GorGor1
ID: 6872943
BLAM!  It worked like a freakin charm!  Is there an easy way to format the message of the e-mail or do I pretty much have to use the '\n' and '\t' stuff for formatting?

Also, is it capable of attachments?

And finally, does it close the PeerPort after it's finished?

Thanks!
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Expert Comment

by:maneshr
ID: 6872961
GorGor1,

"..BLAM!  It worked like a freakin charm! .."

Super!!! I would have been surprised with anything less that that :-)

"..Is there an easy way to format the message of the e-mail or  do I pretty much have to use the '\n' and '\t' stuff for formatting?..."

Yes. There is an easy way to format it.

You can use the following approach...

$message=qq{
Here is the first line

Here is the 2nd line?

Thanks!!!

Rgds,

GorGor1
};

&sendMail('mail.server.com','from_your_email_id@server.com','recipeient@server.com','Testing',$message);

"..Also, is it capable of attachments?.."

Right off the bat, my answer would be yes. However, i have not yet extended this script to do that. Therefore, i cannot post any sample code here :-(

"..And finally, does it close the PeerPort after it's finished?.."
Yes. The Socket port is closed with the following statement.

close $remote;

Hope that helps.
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by:GorGor1
ID: 6873012
U da man!  Once again, you've saved me a ton of headache.  I'll post again someday when I need to do an attachment and I'll see if you've come up with anything yet.  Thanks again!
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Expert Comment

by:maneshr
ID: 6873018
GorGor1,

"..U da man!  Once again, you've saved me a ton of headache..."

Thank you!!!

Glad to know i could be of help to you.

"..  I'll post again someday when I need to do  an attachment and I'll see if you've come up with anything yet. .."

Hopefully by then i should have the attachement piece added, tested and working fine.

Till then........................
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