proton mail

Recovers emails and attaches from Outlook and Outlook Express

SMTP/SSL, IMAP/SSL, S/MIME, POP3/SSL component for .NET framework, C#, VB.NET.

SMTP, IMAP, MIME, POP3 component for .NET framework, C# and VB.NET.

Recovers dbx files, used by Outlook Express, repairs even deleted messages

Robust and secure SMTP/POP3 server. Lots of features against spam and DDoS

High-performance SMTP POP3 server program designed for large enterprises and ISP

Complete, integrated and easy solution for mass mailing

Cruise Control - Rapid Email Responding Software

It is an email clients that it adds several dimensions of functionality.

100% free of charge email client for an unlimited amount of time.