problems setting up dotdeb mirror with reprepro

gistfile1.txt

/srv/mirror# cat dotdeb/conf/distributions
origin: Dotdeb
Codename: dotdeb
Description: Dotdeb repository for Debian-based LAMP servers
Architectures: amd64 source
Components: all
Contents: .gz
Update: dotdeb
Log: dotdeb
# SignWith:

/srv/mirror# cat dotdeb/conf/updates
Name: dotdeb
Method: http://packages.dotdeb.org
Architectures: amd64 source
Suite: squeeze
Components: all
UDebComponents: all

/srv/mirror# reprepro -v -b /srv/mirror/dotdeb update
Warning: No VerifyRelease line in 'dotdeb' or any rule it includes via 'From:'.
Release.gpg cannot be checked unless you tell which key to check with.
(To avoid this warning and not check signatures add 'VerifyRelease: blindtrust').
aptmethod got 'http://packages.dotdeb.org/dists/squeeze/Release'
aptmethod got 'http://packages.dotdeb.org/dists/squeeze/all/binary-amd64/Packages.bz2'
Wrong checksum during receive of 'http://packages.dotdeb.org/dists/squeeze/all/binary-amd64/Packages.bz2':
size expected: 20, got: 18189
aptmethod got 'http://packages.dotdeb.org/dists/squeeze/all/source/Sources.bz2'
Wrong checksum during receive of 'http://packages.dotdeb.org/dists/squeeze/all/source/Sources.bz2':
size expected: 8, got: 4378
There have been errors!

% wget http://packages.dotdeb.org/dists/squeeze/Release &>/dev/null
% wget http://packages.dotdeb.org/dists/squeeze/all/binary-amd64/Packages.bz2 &>/dev/null
% sha1sum Packages.bz2
dbd06a25ac7dad9bbbcbbac51e2e8c446fdcc80b  Packages.bz2
% grep dbd06a25ac7dad9bbbcbbac51e2e8c446fdcc80b Release
 dbd06a25ac7dad9bbbcbbac51e2e8c446fdcc80b 20 all/binary-amd64/Packages.bz2
% ls -l Packages.bz2
-rw-r--r-- 1 mika mika 18189 Jul 10 09:48 Packages.bz2

=> 20 vs. 18189 file size