MailBee.NET IMAP Bundle Releases

Released: Sep 14, 2020

Updates in v12.2.x


Updated Sep 14, 2020


  • Adds Microsoft Office 365 OAuth 2.0 support (developer guides and samples available for desktop and Microsoft ASP.NET Core apps).
  • Improves Microsoft Outlook MSG conversion.
  • Improves S/MIME verification of attached signatures.
  • Improves ESMTP CRAM-MD5 authentication.
  • Improves documentation.

Released: Oct 29, 2019

Updates in v12.1.x


Updated Dec 2, 2019


  • DNS MX lookup mechanism can read UDP packets of the maximum size.
  • Bounce database improvements.


  • S/MIME verification fix with attached signatures.
  • LINK HREF now honored when saving HTML content with embedded images (embedded CSS styles are now saved as well).


Updated Oct 29, 2019


  • A set of S/MIME methods for encryption/decryption, signature verification, working with certificates in Windows-independent way (can be used in UWP and other non...

Released: Jul 23, 2019

Updates in v12.0

Updates in v12.0

  • .NET Core 2.0 / .NET Standard 2.0 edition revised and improved, including better support of .NET Core 2.1 and 2.2.
  • .NET Standard 2.0 support in UWP. UWP apps targeting Windows 10 Fall Creators Update and newer can use the fully-functional .NET Standard 2.0 edition of MailBee.NET Objects. Special UWP edition of MailBee.NET Objects which can work with older UWP platform is still there as well.
  • .NET Core 2.0 sample projects and tutorials added (UWP, console and ASP.NET Core). They...

Released: Mar 14, 2017

Updates in v11.0


  • .NET Core 1.0/1.1, .NET Standard 1.3+, ASP.NET Core support.
  • UWP (Universal Windows, UAP 10.0) support.
  • .NET 3.5 and .NET 4.0 builds (in addition to .NET 2.0 and .NET 4.5).
  • SHA256 signatures of all DLLs (in addition to SHA1).
  • IDN domains (e-mail addresses with international addresses).
  • TlsAuto mode to automatically select TLS 1.2 if possible and fall back to TLS 1.1 or 1.0 if not.
  • SocketCreating event to control how socket objects are created.
  • MailMessage.Sender property.
  • MailMessage...

Released: Nov 27, 2013

Updates in this release

Updates in 8

  • Email Address Validator Component - Check email addresses for syntax and validity.
  • Support for mail merge over System.Data.IDataReader.
  • Support for OAuth v2.0 including Gmail's XOAUTH2 extension.
  • Improved IPv6 compatibility.
  • Improved support for Outlook .MSG and .PST conversions.
  • Improved MIME parser and builder, including support for international characters and quoted strings in headers.

Released: Jan 15, 2013

Updates in this release

Updates in 7.3

  • Windows 8 compatible installer.
  • New options for checking SSL certificates
  • .NET Framework 4.0/4.5 compatibility enhancements.
  • MIME parser fixes.

Released: Nov 8, 2011

Updates in this release

Updates in 7.0.1

  • New PDF Converter component allows HTML to PDF conversion.
  • MailBee.NET.dll is now natively compiled for .NET 4.0 (.NET 1.1 and .NET Compact deprecated, .NET 2.0/3.5 is still fully supported).
  • New Certificate.SubjectAlternativeName property.
  • Includes numerous improvements and fixes to Outlook .MSG and .PST conversion, MIME parser and builder.

Released: Sep 29, 2011

Updates in this release


MailBee.NET IMAP Bundle Includes:

Written in 100% managed code, MailBee.NET only requires the .NET framework be installed on the computer and can be used in any .NET language including C# and VB.NET. Supported .NET frameworks include .NET 1.1/2.0/3.0/3.5/4.0 and .NET Compact Framework 2.0/3.5.

MailBee.NET SMTP is a reliable and robust solution for composing, mail merge, and sending e-mails in .NET...