[Seqinr-forum] Returned mail: Data format error

[Mail Delivery Subsystem]

The original message was received at Thu, 14 Aug 2014 13:49:41 +0530 from r-forge.wu-wien.ac.at [156.73.215.248]

----- The following addresses had permanent fatal errors -----
<seqinr-forum at r-forge.wu-wien.ac.at>

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... while talking to mail server 201.176.241.155:
>>> MAIL FROM:"Mail Delivery Subsystem" <postmaster at r-forge.wu-wien.ac.at>
<<< 509 Address unknown

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