From the Net::SMTP documentation: 
recipient ( ADDRESS [, ADDRESS [ ...]] [, OPTIONS ] )<p>

Notify the server that the current message should be sent to all of th
+e addresses given. Each address is sent as a separate command to the 
+server.

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Originally posted as a Categorized Answer.

In reply to Re: Using Net::SMTP to Bcc, Cc or multiple recipients by Fastolfe
in thread Using Net::SMTP to Bcc, Cc or multiple recipients by Anonymous Monk

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