All .NET/.NET CF/Xamarin.iOS/Xamarin.Android components from Rebex in one pack: SFTP, FTP, FTPS, IMAP, POP3, SMTP, NTP, SNTP, Time, Mail, SSH Shell and Telnet Terminal emulation, Security, ZIP compression.

Components included
Rebex SFTP
Rebex FTP/SSL
Rebex Secure Mail
Rebex Security
Rebex Terminal Emulation
Rebex Time
Rebex ZIP

Rebex SFTP

using (var client = new Rebex.Net.Sftp())
{
  // connect and log on
  client.Connect("hostname");
  client.Login("username", "password");

  // download a file
  client.Download("/report.csv", @"C:\MyData");

SMTP over SSL, IMAP over SSL, POP3 over SSL, S/MIME - sending, receiving and processing emails from .NET Framework application along with mail signing, encrypting and signature verification. Whenever you need to send mail via SMTP, download it with POP3 or access a remote mailbox using IMAP Rebex Secure Mail for .NET will provide the required infrastructure. It allows you to retrieve, create, load, process, save and send e-mail messages in MIME format using a simple yet powerful interface, with no need to understand the complexities of MIME format. And for advanced users, there is a powerful low-level MIME library as well.

Home:

http://www.rebex.net/total-pack/default.aspx

Restriction: Price 50$, not for free for VIP

Only for V.I.P