t/email.t .. 
# Subtest: Constraint
    ok 1 - good e-mail is valid
    ok 2 - e-mail with no MX record is invalid
    1..2
ok 1 - Constraint
# Subtest: Filter - valid
    ok 1 - valid e-mail
    ok 2 - e-mail with name
    ok 3 - e-mail in mixed case
    ok 4 - e-mail with case preserved
    ok 5 - MX check is not enabled when used as a filter
    1..5
ok 2 - Filter - valid
# Subtest: Filter - invalid
    ok 1 - missing domain
    ok 2 - missing username
    ok 3 - not an e-mail address
    1..3
ok 3 - Filter - invalid
1..3
ok
All tests successful.
Files=1, Tests=3,  0 wallclock secs ( 0.02 usr  0.01 sys +  0.13 cusr  0.02 csys =  0.18 CPU)
Result: PASS