如何检查asp.net中是否存在电子邮件ID [英] How to check whether Email Id Exists or not in asp.net

问题描述

如何检查电子邮件ID是否存在于asp.net??

How to check whether Email Id Exists or not in asp.net??

推荐答案

唯一的方法是发送电子邮件并拥有用户单击链接以验证地址是否真实，以及他们的地址。



因为这是一件非常常见的事情，所以有一些关于它的好文章。这是我在Google上的热门话题： http://ctrlf5.net/?p=55 [ ^ ]



希望这个帮助： - ）

The only way to do that is by sending an e-mail and having the user click a link to validate the address is real, and theirs.

Since this a very common thing to do, there a some good articles about it. This was the top hit for me on Google: http://ctrlf5.net/?p=55[^]

Hope this helps :-)

你的场景是什么，很难猜。



如果要查看电子邮件ID，则输入的用户是有效的（有效）。



我知道这样做的好方法。



发送邮件到ID和等待Bounce Mail。如果您从服务器收到任何退回邮件，则它不存在，否则它存在。



lol ...



如果您要签入数据库，此电子邮件ID是否已提前注册。这也很简单，请在注册时查看。



如果是其他情况，请告诉我们......



如果您要检查用户输入的有效电子邮件ID是否。答案1张贴在上面。

What is your scene, hard to Guess.

If you want to check the Email ID user entered is Valid (means exists) or not.

I know the Great way to do so.

Send mail to ID and wait for Bounce Mail. If you Receive any Bounce Mail from Server then it does not Exist, otherwise It Exists.

lol...

If you want to check in your Database, whether this email id has registered earlier or not. This is also simple, check at the time of Registering.

If other is your case, please tell us...

If you want to Check the User entered Valid Email Id or Not. Answer 1 is posted above.

在这里我们可以找到解决方案



http://www.dotnetsharepoint.com/2013/06/how-to-check-if- email-address-already.html＃.Uh776JKfjwg [ ^ ]

Here we can find the solution

http://www.dotnetsharepoint.com/2013/06/how-to-check-if-email-address-already.html#.Uh776JKfjwg[^]

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