Iam using Smtp functions to validate the existing emails in the smtp server. and I used smtp responses 'HELO', 'Mail From', RCPT TO', here iam getting some times correct response from SMTPServer whether it is valid mail id or not. and some times iam getting wrong response. when iam using 'VRFY' command,its not working ? can i use to 'VRFY' to check the existing mail id or not? what is the solution..? and i would like to access the existing mail accounts from the server ...how?
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VRFY is not supported on most systems. -
for "RCPT TO:" command it's checking only domain name. for every mail id with correct domain,Comment
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What is it that you are asking exactly?Comment
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for ex: if we give non existing account like xyz@yahoo.com. its giving the response 252.2.1.5 sender...ok. iam asking i want that response for only existing mail ids, other wise i want other response from the serverComment
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You cannot do that. At least not practically.
SMTP servers generally will NOT respond with a bad message about failed user accounts, to prevent spam.
Send the emails out and require the user on the other end to respond and confirm their address.
That's pretty much the standard way to do it these days.Comment
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