/// <summary>
/// 邮箱校验
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public override bool IsValid(object value)
{
if (value == null)
{
ErrorMessage = "邮箱不能为空！";
return(false);
}
var email = (string)value;
if (email.Length < 7)
{
ErrorMessage = "您输入的邮箱格式不正确！";
return(false);
}
if (email.Length > 256)
{
ErrorMessage = "您输入的邮箱无效，请使用真实有效的邮箱地址！";
return(false);
}
if (!string.IsNullOrEmpty(BlockList) && BlockList.Split('!').Any(item => Regex.IsMatch(email, item)))
{
ErrorMessage = "您输入的邮箱无效，请使用真实有效的邮箱地址！";
return(false);
}
if (!string.IsNullOrEmpty(WhiteList) && WhiteList.Split('!').Any(item => Regex.IsMatch(email, item)))
{
return(true);
}
if (email.MatchEmail(_valid).isMatch)
{
return(true);
}
ErrorMessage = "您输入的邮箱格式不正确！";
return(false);
}
/// <summary>
/// 邮箱校验
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public override bool IsValid(object value)
{
if (value == null)
{
ErrorMessage = "邮箱不能为空！";
return(false);
}
var email = (string)value;
if (email.Length < 7)
{
ErrorMessage = "您输入的邮箱格式不正确！";
return(false);
}
if (email.Length > 256)
{
ErrorMessage = "您输入的邮箱无效，请使用真实有效的邮箱地址！";
return(false);
}
if (!string.IsNullOrEmpty(BlockList) && BlockList.Split(new[] { '!', ';' }, StringSplitOptions.RemoveEmptyEntries).Any(item => Regex.IsMatch(email, item)))
{
ErrorMessage = "您输入的邮箱无效，请使用真实有效的邮箱地址！";
return(false);
}
if (!string.IsNullOrEmpty(WhiteList) && WhiteList.Split('!').Any(item => Regex.IsMatch(email, item)))
{
return(true);
}
var isMatch = email.MatchEmail().isMatch;
if (isMatch && _valid)
{
var nslookup = new LookupClient();
var records = nslookup.Query(email.Split('@')[1], QueryType.MX).Answers.MxRecords().ToList();
if (!string.IsNullOrEmpty(BlockList) && records.Any(r => BlockList.Split('!').Any(item => Regex.IsMatch(r.Exchange.Value, item))))
{
ErrorMessage = "您输入的邮箱无效，请使用真实有效的邮箱地址！";
return(false);
}
var task = records.SelectAsync(r => Dns.GetHostAddressesAsync(r.Exchange.Value).ContinueWith(t =>
{
if (t.IsCanceled || t.IsFaulted)
{
return(new[] { IPAddress.Loopback });
}
return(t.Result);
}));
isMatch = task.Result.SelectMany(a => a).Any(ip => !ip.IsPrivateIP());
}
if (isMatch)
{
return(true);
}
ErrorMessage = "您输入的邮箱格式不正确！";
return(false);
}