public MailMessage SaveMessage(int id, string from, List <string> to, List <string> cc, List <string> bcc, string mimeReplyToId, bool importance, string subject, List <int> tags, string body, List <MailAttachment> attachments, string calendarIcs) { if (id < 1) { id = 0; } if (string.IsNullOrEmpty(from)) { throw new ArgumentNullException("from"); } Thread.CurrentThread.CurrentCulture = CurrentCulture; Thread.CurrentThread.CurrentUICulture = CurrentCulture; var mailAddress = new MailAddress(from); var accounts = MailBoxManager.GetAccountInfo(TenantId, Username).ToAddressData(); var account = accounts.FirstOrDefault(a => a.Email.ToLower().Equals(mailAddress.Address)); if (account == null) { throw new ArgumentException("Mailbox not found"); } if (account.IsGroup) { throw new InvalidOperationException("Saving emails from a group address is forbidden"); } var mbox = MailBoxManager.GetUnremovedMailBox(account.MailboxId); if (mbox == null) { throw new ArgumentException("no such mailbox"); } string mimeMessageId, streamId; var previousMailboxId = mbox.MailBoxId; if (id > 0) { var message = GetMessage(id, false, false, false); if (message.Folder != MailFolder.Ids.drafts) { throw new InvalidOperationException("Saving emails is permitted only in the Drafts folder"); } mimeMessageId = message.MimeMessageId; streamId = message.StreamId; foreach (var attachment in attachments) { attachment.streamId = streamId; } previousMailboxId = message.MailboxId; } else { mimeMessageId = MailUtil.CreateMessageId(); streamId = MailUtil.CreateStreamId(); } var fromAddress = MailUtil.CreateFullEmail(mbox.Name, mbox.EMail.Address); var draft = new MailDraft(id, mbox, fromAddress, to, cc, bcc, subject, mimeMessageId, mimeReplyToId, importance, tags, body, streamId, attachments, calendarIcs) { PreviousMailboxId = previousMailboxId }; try { var draftsManager = new DraftManager(MailBoxManager, Logger); return(draftsManager.Save(draft)); } catch (DraftException ex) { string fieldName; switch (ex.FieldType) { case DraftFieldTypes.From: fieldName = MailApiResource.FieldNameFrom; break; default: fieldName = ""; break; } switch (ex.ErrorType) { case DraftException.ErrorTypes.IncorrectField: throw new ArgumentException(MailApiResource.ErrorIncorrectEmailAddress.Replace("%1", fieldName)); case DraftException.ErrorTypes.EmptyField: throw new ArgumentException(MailApiResource.ErrorEmptyField.Replace("%1", fieldName)); default: throw; } } }