relaytest(1) on Linux
The text ed9788404d45, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it. The page shows this text now.
attempt to use SMTP to relay to a DSBL-compliant host
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