/// <summary>
/// 将邮件保存到草稿箱 返回邮件的唯一标识
/// 调用前先调用配置方法CfgIMAP(),调用制做邮件方法
/// </summary>
public int SaveDrafts(int uniqueId = -1)
{
try
{
using (ImapClient client = ConnectIMAP())
{
// 打开草稿箱,添加邮件
IMailFolder folder = client.GetFolder(SpecialFolder.Drafts);
folder.Open(FolderAccess.ReadWrite);
// 如果保存的是已经有的草稿邮件,则删除它再保存新的草稿.(没找到保存已有草稿的办法)
if (uniqueId > -1)
{
List <UniqueId> uidls = new List <UniqueId>();
uidls.Add(new UniqueId((uint)uniqueId));
folder.SetFlags(uidls, MessageFlags.Seen | MessageFlags.Deleted, true);
folder.Expunge(uidls);
}
UniqueId?uid = folder.Append(this.message, MessageFlags.Seen | MessageFlags.Draft);
//
folder.Close();
client.Disconnect(true);
return(uid.HasValue ? (int)uid.Value.Id : -1);
}
}
catch (Exception e)
{
ErrMsg = $"邮件保存草稿时异常:{e.ToString()} [{e.Message}]";
return(-1);
}
}
private void ToSent(string login, string password, MailMessage message)
{
ImapClient imap = new ImapClient();
imap.Connect("imap.yandex.ru", 993, true); // imap server address
imap.Authenticate(login, password);
FolderNamespace folderNamespaceSent = new FolderNamespace('/', "Отправленные"); // getter sent folder
IMailFolder folderSent = imap.GetFolder(folderNamespaceSent);
folderSent.Open(FolderAccess.ReadOnly);
MimeMessage mimeMessage = (MimeMessage)message;
folderSent.Append(mimeMessage); // add to sent folder
}
private void CopyMessage(IMessageSummary msg, IMailFolder folder, IMailFolder dest)
{
if (MessageExists(msg, folder, dest))
{
return;
}
var m = folder.GetMessage(msg.UniqueId);
//string rd = msg.Headers[HeaderId.Received];
try
{
dest.Append(m,
msg.Flags == null ? MessageFlags.None : msg.Flags.Value, msg.InternalDate ?? (DateTimeOffset.Now));
}
catch (Exception ex) {
/*if (!ex.Message.Contains("Message too large.")) {
* throw;
* }*/
// failed...
string failedFolder = "failed\\" + folder.FullName.Replace(folder.DirectorySeparator, '-');
string failed = failedFolder + "\\" + DateTime.UtcNow.Ticks + ".msg";
string reason = failed + ".reason.txt";
string dir = System.IO.Path.GetDirectoryName(failed);
if (!System.IO.Directory.Exists(dir))
{
System.IO.Directory.CreateDirectory(dir);
}
using (var fs = System.IO.File.OpenWrite(failed)) {
m.WriteTo(fs);
}
System.IO.File.WriteAllText(reason, ex.ToString());
}
StoreLocal(msg, folder);
}
private IMailFolder GetOrCreateLockFolder(IMailFolder parentFolderOfLockFolder, string resourceName, CancellationToken cancellationToken = default)
{
var lockFolderName = parentFolderOfLockFolder.MakeSafeFolderName(resourceName);
IMailFolder lockFolder = null;
try
{
lockFolder = parentFolderOfLockFolder.GetSubfolder(lockFolderName, cancellationToken);
}
catch
{
logger.Information("Could not get lock folder '{LockFolderName}' - maybe it does not yet exist or there was an error", lockFolderName);
}
if (lockFolder == null)
{
try
{
logger.Information("Creating new lock folder with name '{LockFolderName}'", lockFolderName);
// note: on some mail servers (Greenmail) this will throw if the folder already exists, other servers don't throw and return any existing foldre with this name (Dovecot)
lockFolder = parentFolderOfLockFolder.Create(lockFolderName, true);
}
catch
{
logger.Information("Error while creating lock folder '{LockFolderName}' - maybe it already exists or ther was an error", lockFolderName);
}
}
if (lockFolder == null)
{
throw new TeasmCompanionException($"Could not get or create lock folder '{lockFolderName}'");
}
lockFolder.Open(FolderAccess.ReadOnly);
var existingLockMessages = lockFolder.Search(SearchQuery.SubjectContains(LockMessageSubject), cancellationToken);
if (existingLockMessages.Count == 0)
{
// note: this might create duplicates if run by multiple clients; we'll remove the duplicates later
lockFolder.Append(CreateLockMimeMessage());
Thread.Sleep(1000); // give other parallel clients the chance to produce their duplicates if any; we then always choose the first one (selected by UniqueId)
}
return(lockFolder);
}
public void Send(InternetMailMessage message, InternetMailTextProcessing processText)
{
var messageToSend = message.CreateNativeMessage(processText);
_currentFolder.Append(messageToSend);
}