RainLoop:WEB-based mail server system is a free and open source PHP Web Mail client system application, you can manage multiple accounts with a single view, the program has a brief interface and comprehensive features, supports SMTP+IMAP, is the best program for personal mail clients.

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RainLoop environment support:Web server:Apache, nginx, lighttpd;PHP: 5.3 and above;

PHP extensions: cURL, iconv, json, libxml, dom, openssl, DateTime, PCRE, SPL;

Browser:Internet Explorer 8, Firefox, Opera 10+, Safari 3+, Google Chrome.

RainLoop does not need a database, the application does not store emails, the application directly accesses the mail server and RainLoop is just a simple and practical way to display emails! Performance depends entirely on your server memory and network speed, of course, we ourselves or a small team to use, no problem at all.

RainLoop is a Free, modern & fast web-based email client. With modest system requirements, decent performance, simple installation and upgrade, no database required - all these make RainLoop Webmail a perfect choice for your email solution.