/// <summary>
/// Forwards the email to the relay email address.
/// </summary>
/// <param name="mimeMessage">The MIME message.</param>
public void ForwardEmail(MimeMessage mimeMessage)
{
Metadata metadata = MetadataFactory.GenerateFrom(mimeMessage);
// Add tags to the subject
string subject = mimeMessage.Subject;
IEmailEntry emailEntry = emailEntryCache.Get(toCache.Get(mimeMessage));
if (!string.IsNullOrEmpty(emailEntry?.Tag))
{
metadata.Tag = emailEntry.Tag;
subject = $"[{emailEntry.Tag}] {subject}";
}
Email email = new Email(
new System.Net.Mail.MailAddress(_options.GetSender()),
new System.Net.Mail.MailAddress(_options.RelayEmail))
{
Subject = subject,
};
foreach (MimeEntity mimeEntity in mimeMessage.BodyParts)
{
if (mimeEntity.IsAttachment)
{
if (!(mimeEntity is MimePart mimePart))
{
continue;
}
Attachment temporaryAttachment;
using (MemoryStream memoryStream = new MemoryStream())
{
mimePart.Content.DecodeTo(memoryStream);
memoryStream.Seek(0, SeekOrigin.Begin);
temporaryAttachment = new TemporaryAttachment(memoryStream)
{
DisplayFileName = mimePart.FileName,
ContentType = mimePart.ContentType.MimeType,
Encoding = mimePart.ContentTransferEncoding.GetRaw(),
};
}
email.Attachments.Add(temporaryAttachment);
}
else if (mimeEntity is TextPart textPart)
{
string text = textPart.Text;
if (textPart.ContentType.MimeType == Constants.TextMimeType)
{
text = MetadataSerializer.SerializeForText(metadata, text);
}
else if (textPart.ContentType.MimeType == Constants.HtmlMimeType)
{
text = MetadataSerializer.SerializeForHtml(metadata, text);
}
email.TextContents.Add(
new Text()
{
RawText = text,
MimeType = textPart.ContentType.MimeType,
Charset = textPart.ContentType.Charset,
});
}
}
_sender.SendEmail(email);
emailEntryCache.Clear();
toCache.Clear();
}
