# Field type Email **URL:** \ **Category:** Support\ **Tags:** odk-xlsform\ **Created:** [October 20, 2022, 1:47pm UTC](https://forum.getodk.org/t/field-type-email/39323 "2022-10-20T13:47:40Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![danbjoseph](https://getodk.b-cdn.net/user_avatar/forum.getodk.org/danbjoseph/32/21901_2.png) [@danbjoseph](https://forum.getodk.org/u/danbjoseph)\ **Post date:** [October 20, 2022, 2:39pm UTC](https://forum.getodk.org/t/field-type-email/39323/2 "2022-10-20T14:39:36Z")
Validating that something is an email can be challenging! Check out this post for some details and a `constraint` that you can use on a `text` type question that works for most valid email addresses. From this post: > [@Formatos para direcciones e-mail o direcciones de viviendas](https://forum.getodk.org/t/formatos-para-direcciones-e-mail-o-direcciones-de-viviendas/10335/3): > > My Spanish is not so bueno, but I agree with Jorge that you probably don't want to have strict constraints here. This is especially true with email addresses because the [email address specification](http://emailregex.com/email-validation-summary/) is maddening. For me, the best way to validate an email is to send an email to that address with a link inside and see if someone clicks that link. The next best way, especially if you are offline, is to make sure there is no obvious typo. So what I check is at least one non-whitespace character, fo… --- _[View the full topic](https://forum.getodk.org/t/field-type-email/39323)._