Like the others have said, a HoH structure will work. (There are others, but that is probably the best.) If you have trouble wrapping your head around how this structure "looks", try using Data::Dumper: 
use Data::Dumper;
print Dumper(\%details), "\n";

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In reply to Re: multipart key in hash, i'm confused by The Mad Hatter
in thread multipart key in hash, i'm confused by vili

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