private bool EmailAddressesMatch(EmailAddressCollection emailAddresses, string recipient)
{
if (emailAddresses == null)
{
return(false);
}
return
(emailAddresses.Any(
address =>
address.Address.Equals(recipient, StringComparison.InvariantCultureIgnoreCase) ||
address.Name.Equals(recipient, StringComparison.InvariantCultureIgnoreCase)));
}