[Libreoffice] Returned mail: see transcript for details

[Mail Delivery Subsystem]

The original message was received at Wed, 13 Jul 2011 11:14:06 +0200
from p5B349056.dip0.t-ipconnect.de [91.52.144.86]

   ----- The following addresses had permanent fatal errors -----
mail.soft.xpansion at googlemail.com
    (reason: 552-5.7.0 Our system detected an illegal attachment on your message. Please)
    (expanded from: moschenski)
juri.stern at googlemail.com
    (reason: 552-5.7.0 Our system detected an illegal attachment on your message. Please)
    (expanded from: stern)

   ----- Transcript of session follows -----
... while talking to gmail-smtp-in.l.google.com.:
>>> DATA
<<< 552-5.7.0 Our system detected an illegal attachment on your message. Please
<<< 552-5.7.0 visit http://mail.google.com/support/bin/answer.py?answer=6590 to
<<< 552 5.7.0 review our attachment guidelines. b3si19124266fah.55
554 5.0.0 Service unavailable
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