Qmail can send, but can't receive mails! (No mailbox by that name)

May 9 16:52:21 server02 qmail: 1084114341.670810 new msg 7651661
May 9 16:52:21 server02 qmail: 1084114341.670883 info msg 7651661: bytes 2191 from <m.maresch@hccnet.nl> qp 3634 uid 2020
May 9 16:52:21 server02 qmail: 1084114341.675366 starting delivery 26: msg 7651661 to local 277-marko@homesight.nl
May 9 16:52:21 server02 qmail: 1084114341.675419 status: local 1/10 remote 2/20
May 9 16:52:21 server02 qmail: 1084114341.676941 delivery 26: failure: Sorry,_no_mailbox_here_by_that_name._(#5.1.1)/
May 9 16:52:21 server02 qmail: 1084114341.676992 status: local 0/10 remote 2/20
May 9 16:52:21 server02 qmail: 1084114341.682493 bounce msg 7651661 qp 3636
May 9 16:52:21 server02 qmail: 1084114341.682546 end msg 7651661
May 9 16:52:21 server02 qmail: 1084114341.682830 new msg 7651665
May 9 16:52:21 server02 qmail: 1084114341.682850 info msg 7651665: bytes 2749 from <> qp 3636 uid 2522
May 9 16:52:21 server02 qmail: 1084114341.686884 starting delivery 27: msg 7651665 to remote m.maresch@hccnet.nl
May 9 16:52:21 server02 qmail: 1084114341.686916 status: local 0/10 remote 3/20
May 9 16:52:23 server02 qmail: 1084114343.324038 delivery 27: success: 62.251.0.46_accepted_message./Remote_host_said:_250_2.0.0_i49EqI2c000607_Message_accepted_for_delivery/
May 9 16:52:23 server02 qmail: 1084114343.324105 status: local 0/10 remote 2/20
May 9 16:52:23 server02 qmail: 1084114343.324117 end msg 7651665