• Installing/Configuring
  • Runtime Configuration

  • Runtime Configuration
  • Runtime Configuration

    Runtime Configuration

    The behaviour of these functions is affected by
    settings in php.ini.

    IMAP Configure Options
    Name Default Changeable Changelog
    imap.enable_insecure_rsh “0” PHP_INI_SYSTEM Available as of PHP 7.1.25, 7.2.13 and 7.3.0. Formerly, it was
    implicitly enabled.

    For further details and definitions of the PHP_INI_* modes, see the
    Where a
    configuration setting may be set

    Here’s a short explanation of the configuration

    imap.enable_insecure_rsh boolean

    Establishing a connection to a server may invoke
    rsh or ssh commands, unless this php.ini option is disabled.


    Neither PHP nor the IMAP library filter
    mailbox names before passing them to rsh or ssh
    commands, thus passing untrusted data to this function without
    disabling this php.ini option is