Benchmark: timing 100000 iterations of Email::Valid::Loose, Mail::RFC822::Address...
Email::Valid::Loose:  6 wallclock secs ( 7.26 usr +  0.00 sys =  7.26 CPU) @ 13774.10/s (n=100000)
Mail::RFC822::Address: 28 wallclock secs (27.03 usr +  0.00 sys = 27.03 CPU) @ 3699.59/s (n=100000)