How can I test an email address to see if it is valid? For example, Facebook allows you to create an account with an incorrect email address after verifying with a phone number. Is it possible to check for a valid email address and if so how?
How to test an email address to see if it is valid
emailinternet
Best Answer
If the operating System is Windows you can verify by doing the following
To do it Follow these steps
1.Open Command Prompt
2.Find the exchanger of the domain By nslookup
3.Connect to mail Server using telnet
4.once you get the response
type some message hi ,hello
5.If you get response code
550
then the recipient address is invalid6.If email is vaild the mail server would respond back with code
250
Alternatively you could test using some online email checking tools like mailtester .