internal static MailTool New(string host, int port, bool enableSsl, string account, string password)
{
MailTool result;
string key = string.Concat(host.Trim(), port, enableSsl, account.Trim(), password.Trim()).ToLower();
if (!sClients.TryGetValue(key, out result))
{
lock (sClientLock)
{
if (!sClients.TryGetValue(key, out result))
{
result = new MailTool(host, port, enableSsl, account, password);
sClients.TryAdd(key, result);
}
}
}
return(result);
}
public static MailTool Mail(string host, int port, string account, string password, bool enableSsl = false)
{
return(MailTool.New(host, port, enableSsl, account, password));
}