- Unix/Linux or Windows Platform with PHP4 Support (unix/linux is most powerful),
- (UW-IMAP, IMAP - courier-imap, cyrus-imap, CommuniGate, MS
- Exchange Server, MercuryMail 32)* Web Server with PHP4 enabled (prefer apache) (PHP 4.0.2 or higher required)
- Perl Installed on your system (if you don't have Perl, SquirrelMail will run OK, but for the first configuration, Perl is a good helper, if you don't have Perl, you will need to manually modify the config file)
- Unlike many PHP applications, MySQL (or other db) is NOT required.
- SM will NOT work with the cgi version of PHP under IIS. -- I got it to work using the cgi module of PHP4 under IIS 5.0 . A reader's
- note - I have SM running under the dll and also under the cgi. The dll is nmore stable
- Cookies must be enabled.
- Register globals must be on (may be "off" beginning with v1.2.