Free email client software for linux

SimpleMail is the easiest e-mail client there is! SimpleMail uses UAP (Unwanted Access Protection) exclusively to SimpleMail that automatically protects you from viruses in e-mails, malicious code in e-mails, and even pictures in spam that my be offensive in content. SimpleMail is compatible with many anti-virus programs, including:

Norton AntiVirus
McAfee VirusScan
Panda Tituanium AntiVirus
AVG AntiVirus (free and professional)
avast! AntiVirus (free and professional)

Normally, you can disable your e-mail protection in your anti-virus, because the UAP technology built in eliminates the need to keep the e-mail protection on.

Surf the Internet in a safer, faster, and easier way with Opera browser.
The most full-featured Internet power tool on the market, Opera includes pop-up blocking, tabbed browsing, integrated searches, E-mail, RSS Newsfeeds and IRC chat.
Opera supports all major Linux distributions. RedHat, SuSE, Mandrake, Debian, etc. Intel, PowerPC and Sparc versions.
Main features:
Pop-up Blocking:
No more annoying pop-up advertisements. Opera lets you control whether Web sites can use pop-ups. Select to block them all, or let the browser open only pop-ups that you have requested.
Integrated Search:
Search your favorite sites, for example Google, eBay, or Amazon without having to go to their Web pages. Use the integrated search window or shortcuts (e.g. "g" for Google) in the address field.
Skins:
Give your browser the look you want with Operas skins. Make the browser your own by giving it the colors, icons, and buttons of your choice.
E-mail with RSS Newsfeed:
Operas built-in POP/IMAP E-mail client is a combined e-mail program, news reader, mailing list organizer and RSS newsfeed reader. A safer, faster, and more intelligent way of handling your e-mails, Operas e-mail client is database driven, enabling you to organize and find your e-mails in a matter of seconds through easy searches, labeling, and filtering rather than traditional folder storage.
Tabbed Browsing:
Surf the Web easier and faster by opening multiple Web pages within the same application window. Save a collection of pages as a session and open them all with one click - every time.
Advanced Security:
Protect yourself from ad-ware, spy-ware, viruses, and other third-party malicious software applications that silently attack your computer while you are surfing the Web.
IRC Chat:
Communicate with people all over the world using Operas IRC chat client. Use Opera to connect to IRC servers to chat privately or in rooms, or share files and photos with your friends and family.
Opera is from now 100% FREE and with NO ADS !
Enhancements:
- More Speed Dial stability fixes
- Fixed another fuzzer crash

Wapymail is a WAP/WML email client written in PHP. It allows you to check your IMAP email from any WAP/WML enabled device.

Wapymail projetc is pretty good, and real simple to setup and use.

smtp2mix is a small mail proxy that relays incoming email from a given user to the mixmaster anonymous remailer network.

smtp2mix allows the use of your preferred email client to send email anonymously.

ConceptRM (RssMail) project is an email client using RSS as a means to deliver the list of email to the user.
Main features:
- Support pop3 mailbox
- Support for multiple mailboxes (display a preferred format e.g. html as opposed to plain email format)
- multipart email
- email deletion
- RSS 1.0 and 2.0 support

Jwapmail is opensource wap based email client written using PHP. Jwapmail has been tested at SonyEriccson T28, and Siemens SL45. Any volutenter of testers are welcome.
Main features:
- 1. Email client standard functions
- Jwapmail support the email client standard functions:
- Compose, Reply, Forward, and Folder.
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- 2. Message Filter (Not finish yet)
- Message Filter is allow user to manage messages in the folder.
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- 3. User Profile (Not finish yet)
- Allow user to set user profiles standard such as, Name and email address.
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- 4. Paging (to overcome content size limitaion)
- Due to the vary limitation of content size in WAP GATEWAY, Jwapmail
- deliver content with size not exceded the maximum size (kbytes) where maximum size
- is a variable set in file configuration.
- If the content of message have the size exceed the maximum bytes
- Jwapmail split into several page and deliver each page with paging navigation link

WizMail is a Webmail system that strives to keep synchronized with the email on a POP3 server so that it can be accessed from the Web when an email client cant be used, and then downloaded when possible.

It is also able to filter incoming email into different folders, offers different configurable identities and signatures per user, and supports drag and drop.

WizMail project supports downloading and relaying of email using any SMTP/POP3 client: using WizMailTunnel, your email server can be accessed through HTTP/HTTPS proxies.