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@test.com
user@example
example.com
test@123
email@address
user@
@website.com
testemail@testcom
user@example.
test.com@
email@
user@test
@gmail.com
example@
test
email@.com
user@examplecom
@test.com
test@mailcom
user.com
email@example.
@
test@test@test.com
user@email.
example@example@example.com
@example.com
test@mail.
user@test.
email@1
test@test.