/// <summary>
/// Normalize email
/// </summary>
/// <param name="email"></param>
/// <param name="settings"></param>
/// <returns></returns>
public static MailAddress Normalize(MailAddress email, NormalizerSettings settings = null)
{
settings = settings ?? DefaultSettings;
var host = email.Host.ToLower();
var user = email.User;
if (settings.LowerCase)
{
user = user.ToLowerInvariant();
}
if (settings.NormalizeHost && normalizedDomains.TryGetValue(host, out var normalizedHost))
{
host = normalizedHost;
}
if (settings.RemoveDots && domainsWithDots.Contains(host))
{
user = user.Replace(".", string.Empty);
}
if (settings.RemoveTags && domainTags.TryGetValue(host, out var tag) && user.IndexOf(tag) != -1)
{
user = user.Substring(0, user.IndexOf(tag));
}
return(new MailAddress(user + "@" + host, email.DisplayName));
}
static Normalizer()
{
domainTags = GetDomainsWithTags();
domainsWithDots = GetDomainsWithDots();
normalizedDomains = GetNormalizedDomains();
DefaultSettings = new NormalizerSettings();
}
/// <summary>
/// Configure the default settings to use when normalizing
/// </summary>
/// <param name="settings"></param>
public static void ConfigureDefaults(NormalizerSettings settings)
{
DefaultSettings = settings;
}
/// <summary>
/// Normalize email
/// </summary>
/// <param name="email"></param>
/// <param name="settings"></param>
/// <returns></returns>
public static MailAddress Normalize(this MailAddress email, NormalizerSettings settings = null)
{
return(Normalizer.Normalize(email, settings));
}