(Fwd) Majordomo Delivery Error

It's just me that's receiving all this majordomo errors or it's the
whole list?

------- Forwarded message follows -------
Date sent: Thu, 31 May 2001 12:34:23 -0400 (EDT)
To: pgsql-general-owner+M10244(at)postgresql(dot)org
From: pgsql-general-owner+M10244(at)postgresql(dot)org
Subject: Majordomo Delivery Error

This message was created automatically by mail delivery software.
A Majordomo message could not be delivered to the following addresses:

jurka(at)ejurka(dot)com:
450 4.7.1 <jurka(at)ejurka(dot)com>... Can not check MX records for recipient host ejurka.com

Morpheus(at)tedgarrett(dot)penguinpowered(dot)com:
450 4.7.1 <Morpheus(at)tedgarrett(dot)penguinpowered(dot)com>... Can not check MX records for recipient host tedgarrett.penguinpowered.com

jason(at)nsdigital(dot)com:
450 4.7.1 <jason(at)nsdigital(dot)com>... Can not check MX records for recipient host nsdigital.com

bo(at)syntext(dot)com:
450 4.7.1 <bo(at)syntext(dot)com>... Can not check MX records for recipient host syntext.com

chuck(at)milams(dot)net:
450 4.7.1 <chuck(at)milams(dot)net>... Can not check MX records for recipient host milams.net

-- Original message omitted --

------- End of forwarded message -------
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Fabrizio Ermini Alternate E-mail:
C.so Umberto, 7 faermini(at)tin(dot)it
loc. Meleto Valdarno Mail on GSM: (keep it short!)
52020 Cavriglia (AR) faermini(at)sms(dot)tin(dot)it