Versenden und Empfangen von E-Mail

Versenden und Empfangen von E-Mail
<URL:http://dotnet.mvps.org/dotnet/faqs/?id=email&lang=de>
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Sending and receiving e-mail

.NET 2.0:

Namespace 'System.Net.Mail':

.NET Framework Class Library -- 'System.Net.Mail' Namespace
<URL:http://msdn2.microsoft.com/en-us/system.net.mail.aspx>

'System.Net.Mail', OH MY!
<URL:http://www.systemnetmail.com/>

.NET 1.0/1.1:

Namespace 'System.Web.Mail' (requires reference to "System.Web.dll"):

.NET Framework Class Library -- 'System.Web.Mail' Namespace
<URL:http://msdn.microsoft.com/library/en-us/cpref/html/frlrfsystemwebmail.asp>

Dave Wanta maintains a collection of FAQs on the 'System.Web.Mail'
namespace:

'System.Web.Mail', OH MY!
<URL:http://www.systemwebmail.com/>

CDO/Exchange:

Support Policy for Microsoft Exchange APIs with .NET Framework Applications
<URL:http://support.microsoft.com/?scid=kb;EN-US;813349>

HOW TO: Retrieve Messages Using CDOEX and ADO in Visual C# 
<URL:http://support.microsoft.com/?scid=kb;EN-US;310206>

"Self-made":

Using POP3 with C# to download and parse your mail.
<URL:http://www.codeproject.com/csharp/karavaev_denis.asp>

Retrieve Mail From a POP3 Server Using C#
<URL:http://www.codeproject.com/csharp/popapp.asp>

POP3 Client as a C# Class
<URL:http://www.codeproject.com/csharp/pop3client.asp>

SMTP and POP3 Mail Server
<URL:http://www.codeproject.com/csharp/smtppop3mailserver.asp>

Some samples for POP3 access can be found on GotDotNet:

<URL:http://www.gotdotnet.com/community/usersamples/?query=POP3>

Components:

Indy is an open source component that can be used to send mail:

The Indy Project
<URL:http://www.indyproject.org/>

Commercial:

MAIL for .NET
<URL:http://www.abderaware.com/mail/>

Rebex Mail for .NET
<URL:http://www.rebex.net/mail.net/>

Related:

Secure Socket Library
<URL:http://www.mentalis.org/soft/projects/ssocket/>