list problem

[Denis Ovsienko]

http://docs.pld-linux.org/enduser.html

<pld-users-en-subscribe at pld-linux.org>: host
a.mx.pld-linux.org[62.21.96.13]    said: 550
<pld-users-en-subscribe at pld-linux.org>: Recipient address    rejected:
User unknown in virtual alias table (in reply to RCPT TO command)


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    DO4-UANIC