Package TWiki::Net 
Object that brokers access to network resources.
 ObjectMethod getUrl ($protocol,$host,$port,$url,$user,$pass) -> $text 
Get the text at the other end of a URL
 setMailHandler( \&fn ) 
 
-  \&fn- reference to a function($) (see _sendEmailBySendmail for proto)
 
Install a handler function to take over mail sending from the default
SMTP or sendmail methods. This is provided mainly for tests that
need to be told when a mail is sent, without actually sending it. It
may also be useful in the event that someone needs to plug in an
alternative mail handling method.
 ObjectMethod sendEmail ($text,$retries) -> $error 
 
-  $text- text of the mail, including MIME headers
-  $retries- number of times to retry the send (default 1)
Send an email specified as MIME format content.
Date: ...\nFrom: ...\nTo: ...\nCC: ...\nSubject: ...\n\nMailBody...