private static bool ShouldGenerateAllRecipients(IReadOnlyMailRecipientCollection recipients)
{
foreach (MailRecipient mailRecipient in recipients)
{
if (mailRecipient.AckStatus != AckStatus.Success || mailRecipient.ExtendedProperties.GetValue <bool>("Microsoft.Exchange.Transport.MailboxTransport.RetryOnDuplicateDelivery ", false))
{
return(true);
}
}
return(false);
}
public static SmtpResponse GenerateResponse(MessageAction messageLevelAction, IReadOnlyMailRecipientCollection recipients, SmtpResponse smtpResponse, TimeSpan?retryInterval)
{
if (recipients == null)
{
throw new ArgumentNullException("recipients", "Required argument is not provided");
}
bool flag = SmtpResponseGenerator.ShouldGenerateAllRecipients(recipients);
if (!flag && retryInterval == null && messageLevelAction != MessageAction.RetryQueue)
{
return(smtpResponse);
}
StringBuilder stringBuilder = new StringBuilder();
SmtpResponseGenerator.GenerateBanner(stringBuilder, smtpResponse.StatusCode, smtpResponse.EnhancedStatusCode);
stringBuilder.AppendFormat(CultureInfo.InvariantCulture, "{0}{1}{2} {3} {4}{5}{6}", new object[]
{
smtpResponse.StatusCode,
flag ? "-" : " ",
flag ? smtpResponse.StatusCode : string.Empty,
smtpResponse.EnhancedStatusCode,
SmtpResponseGenerator.FlattenStatusText(smtpResponse),
SmtpResponseGenerator.GenerateAdditionalContextForMessage(messageLevelAction, retryInterval),
"\r\n"
});
if (flag)
{
IEnumerator <MailRecipient> enumerator = recipients.GetEnumerator();
bool flag2 = enumerator.MoveNext();
while (flag2)
{
MailRecipient mailRecipient = enumerator.Current;
flag2 = enumerator.MoveNext();
bool value = mailRecipient.ExtendedProperties.GetValue <bool>("Microsoft.Exchange.Transport.MailboxTransport.RetryOnDuplicateDelivery ", false);
mailRecipient.ExtendedProperties.Remove("Microsoft.Exchange.Transport.MailboxTransport.RetryOnDuplicateDelivery ");
SmtpResponse responseForRecipient = SmtpResponseGenerator.GetResponseForRecipient(mailRecipient, value);
stringBuilder.AppendFormat(CultureInfo.InvariantCulture, "{0}{1}{2} {3} {4}{5}{6}", new object[]
{
smtpResponse.StatusCode,
flag2 ? "-" : " ",
responseForRecipient.StatusCode,
responseForRecipient.EnhancedStatusCode,
SmtpResponseGenerator.FlattenStatusText(responseForRecipient),
SmtpResponseGenerator.GenerateAdditionalContextForRecipient(mailRecipient, value),
"\r\n"
});
}
}
return(SmtpResponse.Parse(stringBuilder.ToString()));
}