java: how can i verify an email address to be valid without sending a confirmation e-mail?

java email-verification
ufk picture ufk · Mar 1, 2010 · Viewed 16.6k times · Source

when people register to my website i don't want to send them a verification e-mail, i just want to check if that e-mail exists. is there a way to do such a thing ?

using apache-tomcat and java as my main programming language.

thanks a lot!

Answer

bmargulies picture bmargulies · Mar 1, 2010

No. There is no way to tell if an email address points to a valid destination. You can check basic syntax, and that the domain has a record in DNS, but that's all.

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