Windows Live Mail
Live Mail has been superseded by the Mail app in Windows 8 and 10, but is still a good choice for older operating systems
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Windows Live Mail has now been superseded by the Mail app for Windows 8 and 10, but for older versions of the operating system it's one of the best email clients around.
Built-in adblocking and phishing protection
It automatically blocks advertising, viruses and fraudulent phishing mails, and includes an integrated calendar.
Its design is reminiscent of Microsoft Outlook, with a big preview feature on the right-hand side. It supports POP3 and IMAP, and can be used to import RSS feeds, newsgroups and contact addresses.