[ALERT] too many simultaneous connections error while using mailsystem.net with gmail

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I'm trying to use the MailSystem.Net to retrieve mails from my gmail account but i get the above error. I have just follow through an example online to make a demo application as a window service. I tried to log the errors to a folder and after running the service i get the above error repeatedly in my error error folder

What I have tried:

<pre lang="c#">public class MailRepository
        {
            private Imap4Client client;
            public MailRepository(string mailServer, int port, bool ssl, string login, string password)
            {
                if (ssl)

                    Client.ConnectSsl(mailServer, port);
                else

                    Client.Connect(mailServer, port);
                    Client.Login(login, password);


            }
            public IEnumerable<Message> GetAllMails(string mailBox)
            {
                return GetMails(mailBox, "ALL").Cast<Message>();
            }

            public IEnumerable<Message> GetUnreadMails(string mailBox)
            {
                return GetMails(mailBox, "UNSEEN").Cast<Message>();
            }

            protected Imap4Client Client
            {
                get { return client ?? (client = new Imap4Client()); }
            }

            private MessageCollection GetMails(string mailBox, string searchPhrase)
            {
                Mailbox mails = Client.SelectMailbox(mailBox);
                MessageCollection messages = mails.SearchParse(searchPhrase);
                return messages;
            }
        }

private void ReadImap()
        {
            var mailRespository = new MailUtil.MailRepository("imap.gmail.com", 993, true, "myGmailAccount", "Mypassword");
            var emailList = mailRespository.GetAllMails("inbox");
            foreach(Message email in emailList)
            {
                //DoSomething

                if(email.Attachments.Count > 0)
                {
                    //DoSomething
                }
            }
        }

Posted 1-Nov-17 1:17am

Mcbaloo

Updated 1-Nov-17 1:42am

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Jochen Arndt · Answer 1 · 2017-11-01T01:42:00

It looks like connections are not closed (disconnected) when not used anymore.

To know how to do that you should read the documentation of the used Imap4Client class.

I would expect that connections are closed in the Imap4Client destructor. But even then it would be better to disconnect explicitly.

You can add a disconnect method to the MailRepository class and call that when finished using it (when returning from ReadImap):

C#

public void Disconnect()
{
    // Check the Imap4Client documentation for functions doing this
    if (Client.isConnected())
        Client.Disconnect();
}

But note that you can't query data anymore after doing so.