So I have an old VBS script that access a public folder on MS Exchange, grabs the messages from X minutes ago and looks to see if there are X matches of 3 seperate subjects, then it will send an alert. I'm converting this to Perl because my VBS way is very clunky and prone to breaking due to the way I have to access the folders. With IMAPClient I can just go directly to the folder I need by name. I have it working enough to pull out the subject and dates due to the helpful docs: 
      for my $h (     
        # values %{$imap->parse_headers( scalar($imap->search("ALL")) 
+, "Subject", "Date")}
         values %{$imap->parse_headers( scalar($imap->search("SUBJECT"
+,"A time out or a transaction deadlockDDD")) , "Subject", "Date")}
        ) {
                 print map { "$_:\t$h->{$_}[0]\n"} keys %$h; 
        }

[download]
So I can search via subject, or just retrieve all. But here's where I'm stuck. I need for it to search for 3 different subject lines, and I need to search only X minutes in the past, 30 in this case. If a combined 20 or more matches of the 3 subject lines are found, it fires an alert, otherwise it just loops. I don't understand enough about hashes and keys and map to figure out how to loop through these messages looking for my subject lines. I know I can figure out the go back X minutes from the docs, but the real meat I"m unsure of - any ideas?

In reply to Using Mail::IMAPClient by Anonymous Monk

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