HDR From: The Post Office - Menedzer Poczty <postmaster>
HDR Sender:	mailer-daemon
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SUB Subject: You can't use "localhost" as a hostname / Nie uzywaj "localhost" jako nazwy hosta

[PL]
Prawidowe adresy dla uytkownikw tego serwera to:
        (sprawd komend `hostname` lub `hostname -d`)

Moesz sprbowa jednego z tych adresw zamiast "localhost".

[ENG]
The valid addresses for users on this machine are:
	(check with `hostname` or `hostname -d`)
	
You might try one of those instead of just "localhost".  Your message is
being returned unprocessed.

