Connect to IMAP Server in C#

connect-imap-http.cs

// Configure HTTP proxy
HttpProxy proxy = new HttpProxy("18.222.124.59", 8080);

// Create and configure ImapClient and set HTTP proxy
using (ImapClient client = new ImapClient("imap.domain.com", "username", "password"))
{
    // Set proxy
    client.Proxy = proxy;
    
    // Select folder
    client.SelectFolder("Inbox");
}

connect-imap-socks.cs

// Connect and log in to IMAP and set SecurityOptions
ImapClient client = new ImapClient("imap.domain.com", "username", "password");
client.SecurityOptions = SecurityOptions.Auto;

// Configure SOCKS proxy
string proxyAddress = "192.168.203.142"; // proxy address
int proxyPort = 1080; // proxy port
SocksProxy proxy = new SocksProxy(proxyAddress, proxyPort, SocksVersion.SocksV5);

// Set the proxy for IMAP
client.Proxy = proxy;

// Select folder
client.SelectFolder("Inbox");

connect-imap-ssl.cs

// Create an instance of the ImapClient class
ImapClient client = new ImapClient("imap.domain.com", 993, "user@domain.com", "pwd");
            
// Set the security mode to implicit
client.SecurityOptions = SecurityOptions.SSLImplicit;

// Select folder
client.SelectFolder("Inbox");

connect-imap.cs

// Connect to IMAP server using host, user and password
ImapClient client = new ImapClient("localhost", "user", "password");

// Select folder
client.SelectFolder("Inbox");