From: Russell Fulton <r.fulton@...>
Date: 2006-10-11T09:56:38+09:00
Subject: recovering from errors in net:smtp

Hi,
    I've got a script that sends reports by email using Net::SMTP. 
Occassionally I get errors from the mail server (normally rejected 
addresses) which causes an exception which I catch with rescue.  This is 
in a class derived from Net::SMTP:

  def send (to, subject, data)
    retries = 0
    @count += 1
    to_array =  to.split(/\s*,\s*/)

    hdrs = <<HDRS
To: #{to}
Subject: #{subject}
Date: #{Time.now.strftime("%a %b %e %T %Y %z")}
Message-Id: <selms-#{@time}-#{@count}@selms>
From: #{@from}

HDRS

      send_message( hdrs + data.join("\n") + ".\n", @from, *to_array)
  rescue Net::SMTPFatalError, Net::SMTPSyntaxError
    if $! =~ /virtual alias table/ then
      retries += 1
      STDERR.puts "mail failed #{retries} for #{to}:#{$!}"
      spleep(10)
     retry if retries <= 2
    end
    STDERR.puts "mail failed for #{to}:#{$!}"
    false
  end

I wish to 'reset' the smtp session so that I can continue sending email 
without doing a finish and another start (i.e. before I retry).  Is this 
possible?  I've looked through the docs for net::smtp and not found 
anything obvious.  I have not looked at the source yet.

Russell

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