spfquery.pyspf(1) on Linux
The text 3cb6b8650a10, as Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.
pure-Python spfquery script
The text 3cb6b8650a10, as Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.
pure-Python spfquery script