I am working on a web app that requires me to check if the users email are valid and exists. (I do the r开发者_如何转开发egex check) The question is what is best practice of verifying that an email ex
I am trying to do an SQL query, but 开发者_JAVA百科I need to check somehow if the value is an email address.
I have been asked to implement some email address validation on a web app - I\'m sure we\'ve all been there a thousand times... however, this time I have been asked to do an MX Lookup on the domain to