Email model validation with DataAnnotations and DataType

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DataType attribute is used for formatting purposes, not for validation.

I suggest you use ASP.NET MVC 3 Futures for email validation.

Sample code:

[Required]
[DataType(DataType.EmailAddress)]
[EmailAddress]
public string Email { get; set; }

If you happen to be using .NET Framework 4.5, there’s now a built in EmailAddressAttribute that lives in System.ComponentModel.DataAnnotations.EmailAddressAttribute.

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