{"$******@****.***", "$A12345", "example.com"},
	{"!def!******@****.***", "!def!xyz%abc", "example.com"},
	{"******@****.***", "_somename", "example.com"},
}

func TestRFC2821Parsing(t *testing.T) {
	for i, test := range rfc2821Tests {
		mailbox, ok := parseRFC2821Mailbox(test.in)
		expectedFailure := len(test.localPart) == 0 && len(test.domain) == 0

		if ok && expectedFailure {