Check to see if email is legit?

[CAmaninacan]

Hello, I am curious if their is a way to test to see if a email is legit and it's not mistyped wrong. I am thinking about using NSRange to check if their is a @ symbol and a .com/biz/net/etc. I would love to hear any other suggestions some of you may have.

[Domele]

objective c - Check that an email address is valid on iOS - Stack Overflow

[lgehrig1]

Originally Posted by CAmaninacan

Hello, I am curious if their is a way to test to see if a email is legit and it's not mistyped wrong. I am thinking about using NSRange to check if their is a @ symbol and a .com/biz/net/etc. I would love to hear any other suggestions some of you may have.

You could do a DNS lookup to find out if the domain has an MX record - if it does then anything after the "@" is good. You cannot know about the before except by requiring the user to respond in some fashion to an email you send - barring cases where the service exposes profiles (e.g. Yahoo profiles).

[RickSDK]

personally I don't see a lot of value in doing anything more than making sure the field is not blank.

If the user is initent on entering a junk email address, then forcing them to enter a junk address with an @ sign in it seems pretty meaningless to me.