Re: Is there a library for validating gmail's Variants

2020-04-30 Thread Jaroslaw Rafa
Dnia 30.04.2020 o godz. 11:59:18 Ralph Seichter pisze: > > Are you certain that "he...@gmail.com" and "h.e...@gmail.com" are the > same user as far as Google is concerned? In any case, this is not a > Postfix issue. Not sure what do you mean by "the same user", but at least it's certain that mess

Re: Is there a library for validating gmail's Variants

2020-04-30 Thread Ralph Seichter
* Walter Peng: > 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 > [...] Are you certain that "he...@gmail.com" and "h.e...@gmail.com" are the same user as far as Google is conce

Re: Is there a library for validating gmail's Variants

2020-04-30 Thread Sam Tuke
I see the value of the ability to recognise such Gmail address variants, and would use it myself to prevent people trivially working around Gmail addresses being on a blacklist email receipt or for service signup. Sam. On 30/04/2020 09:27, Walter Peng wrote: > Hello community, > > We are runni

Re: Is there a library for validating gmail's Variants

2020-04-30 Thread Walter Peng
Thanks Viktor for these suggestions. I will reconsider my implementation. Regards. Viktor Dukhovni wrote: On Apr 30, 2020, at 3:27 AM, Walter Peng wrote: Is there a library existing to validate all those variants to make sure they are exactly the same account? Why do you feel you need to do

Re: Is there a library for validating gmail's Variants

2020-04-30 Thread Viktor Dukhovni
> On Apr 30, 2020, at 3:27 AM, Walter Peng wrote: > > Is there a library existing to validate all those variants to make sure > they are exactly the same account? Why do you feel you need to do this? What if a user opens multiple Gmail accounts? Or uses multiple accounts at more than one of Gm

Re: Is there a library for validating gmail's Variants

2020-04-30 Thread Sven Schwedas
Not sure why you need a library for this. Strip out all dots, split at + and use the first value for comparison. That's trivial in every language. signature.asc Description: OpenPGP digital signature

Is there a library for validating gmail's Variants

2020-04-30 Thread Walter Peng
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