MailBee.NET POP3   
http://www.afterlogic.com

MailBee.NET POP3 is a set of powerful and robust .NET components for receiving, parsing and managing mail on POP3 servers. Written in 100% managed C# code, MailBee.NET POP3 can be used in desktop, console and ASP.NET applications developed in C#/VB.NET/etc. The key features of the components: quick methods for receiving mail with a single line of code; POP3 PIPELINING and other POP3 extensions supported; secure TLS/SSL connections; download entire messages, headers only, headers + part of body; MS-TNEF (winmail.dat) attachments support; accurate and flexible MIME parser; view and preprocess HTML mails with embedded pictures; HTML-to-PlainText conversion and vice versa; secure and user-defined authentication (including NTLM and APOP); Windows Integrated Authentication (authenticate using the current Windows user credentials); TO/CC/BCC, international charsets, custom headers, custom message formats (such as meeting request items); access to every MIME part; import from and export to .EML files, streams, XML; integration with Smtp component; rich set of events and error handling features, memory and file logging, and much more; asynchronous processing options; documentation is available in CHM, VS.NET 2003, and VS.NET 2005 formats; royalty-free distribution.

Pivo pop3 Component   
http://www.pivo.com

A high performance POP3 component enables ASP/ VB/ VC++/ C#/ VB.NET/ ASP.NET or other COM environment applications to retrieve email from mail server based on POP3 protocol. Pivo POP3 Object supports all operations. It also provides advanced features such as retrieve emails in background, capability of unlimited queued request. POP3 is a widely-deployed mail access protocol. Many programs access POP3 message stores, and thus need POP3 configuration information. Since there are multiple configuration elements which are required in order to access a mailbox, a single string representation is convenient. A POP3 mailbox (like an [IMAP4] mailbox) is a network resource, and URLs are a widely-supported generalized representation of network resources.A means of specifying a POP3 mailbox as a URL will likely be useful in many programs and protocols.

MailBee POP3   
http://www.iforum.com

MailBee POP3 is a powerful and easy to use COM object which enables ASP and Windows applications to receive, parse and delete mail from POP3 servers. Secure authentication, HTML mails, smart and fast MIME parser, email safety, and much more. Can be used in conjunction with SSL, SMTP and MessageCensor components. Royalty-free distribution.

Aloaha POP3 SDK   
http://www.aloaha.com

POP3 SDK allows you to be able to access a POP3 server with minimal knowledge of how POP3 works and very little code. There are many features for simplifying tasks of accessing an POP3 server. POP3 SDK allows you to: Be used in a scriptable language such as VBScript and ASP Find out how many messages are there without downloading anything Get Scan listings Get Full messages or just the headers Get the Unique Identifiers for messages Delete messages Use every command that POP3 protocol supports Plus added features for parsing headers of messages HTML, PlainText Body parsing Save attachments and messages to disk The Post Office Protocol v3 SDK allows for a great deal of control over your messages. You can download messages and quickly access the key features of them you want, like grabbing those file attachments or check them agains the Sender Policy Framework SPF before downloading or deleting them. This component makes it easy for you write a program that incorporates watching a mail drop for specific information, receive sent files and data, and much more. Visit our FAQ: news://news.aloaha.com

No Spam Today! for Servers   
http://www.byteplant.com

No Spam Today! is an SMTP/POP3 proxy server based spam filter that sits between the internet and your mail server. Incoming mail is accepted from the Internet and checked for spam and viruses. NoSpamToday! uses the award-winning SpamAssassin engine to flag spam mail in the subject line and add a filtering report to spam mails according to your configuration. NoSpamToday! works with products of all vendors of mail client or server software, and also allows simple integration of third-party virus checkers. When installing No Spam Today! you will get: 1. A complete one stop setup routine that installs one of the world's most advanced and thorough spam filters on your server in a matter of minutes. 2. A reliable SMTP/POP3 proxy service software that makes it easy to integrate No Spam Today! into any existing email infrastructure 3. An easy to use Admin Wizard to configure all important settings of No Spam Today! and the SpamAssassin engine 4. Updates, e.g. when new versions of the SpamAssassin engine are released 5. An attachment blocker, and built-in support for third-party virus checkers 6. Free support (commercial licenses only) NoSpamToday! is available as freeware for personal and non-commercial use. Several commercial licenses are available, offering exceptional value at low prices.