问题
Possible Duplicate:
How to check if an email address exists without sending an email?
I am trying to find some way to test if an E-mail address actually exists without sending a test mail.
One can validate e-mail address but is not guaranteed if the address actually exists. like
abc@example.com
Is there a way to avoid this?
Thank you
回答1:
Short answer is no - the only way to validate it exists is to connect to the mail server and send an email to it.
Some more info : Can I check if an email address exists using .net?
"SMTP defines a command for this, but since abuse by spammers totally overwhelmed the number of legitimate uses, virtually every e-mail server in the world is configured to lie."
Another similar question : How to check if an email address exists without sending an email?
来源：https://stackoverflow.com/questions/12795209/is-there-a-way-to-test-if-an-e-mail-address-exists-without-sending-a-test-mail