public async Task SendConfirmEmailMail(User user, string confirmationUrl)
{
var confirmationUrlWithKey = _verificationService.CreateVerificationUrl(confirmationUrl, user, UserVerificationType.ConfirmEmail);
var confirmationMailModel = new ConfirmationMailModel(confirmationUrlWithKey, user.FirstName, user.LastName);
var message = new MailMessage <ConfirmationMailModel>(user.Email, MailResources.ConfirmEmail_Subject, MailResources.ConfirmEmail_Body, confirmationMailModel);
await _mailService.SendMail(message);
}