Hello community, We are running a small website which allow users registration with their email.
Many users use gmail's variants to sign up the site, as we know, foo...@gmail.com is equivalent to below similar: foo...@googlemail.com foob...@googlemail.com foo....@gmail.com foobar+...@gmail.com foo.bar+m...@gmail.com ... Is there a library existing to validate all those variants to make sure they are exactly the same account? Thanks.
