Messages come in as a raw text, with email headers visible, attachments binary

[ciza2010]

ZCS 6.0.8, .

Client reports that some messages come in as a raw text, with email headers visible, attachments binary, etc...


------=neXtPaRt_1316792903
Content-Type: multipart/alternative;
boundary="_000_33868AC0576E5B4B959440EB7011DDEE130 888DAEEATENEAsenplad_"

--_000_33868AC0576E5B4B959440EB7011DDEE130888DAEEATE NEAsenplad_
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64

RXN0aW1hZG8gU3IuIEF5YWxhDQoNCkxlIGNvbXVuaWNvIHF1ZS B0ZW5lbW9zIGRpc3BvbmliaWxp
ZGFkIGEgcGFydGlyIGRlIGxhcyAxMDozMCwgZXNwZXJhbW9zIH N1IGNvbmZpcm1hY2nDs24uDQoN
CkF0ZW50b3Mgc2FsdWRvcywNCg0KTWFyZ2FyaXRhIFNvc2ENCg 0KRGU6IEx1aXMgQWxiZXJ0byBB5BQ0lPTkFMIERFIFBMQU5JRk lDQUNJw5NOIFkgREVTQVJST0xMTyAtU0VOUExBREVTLQ0KUFJF
U0lERU5DSUEgREUgTEEgUkVQw5pCTElDQQ0KVExGOiAzOTc4OT AwIEVYVCAyMTY4DQoNCk1pbmlz
dGVyaW8gZGUgRWxlY3RyaWNpZGEgeSBFbmVyZ++/vWEgUmVub3ZhYmxlDQo=

--_000_33868AC0576E5B4B959440EB7011DDEE130888DAEEATE NEAsenplad_
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: base64

PGh0bWwgeG1sbnM6dj0idXJuOnNjaGVtYXMtbWljcm9zb2Z0LW NvbTp2bWwiIHhtbG5zOm89InVy
bjpzY2hlbWFzLW1pY3Jvc29mdC1jb206b2ZmaWNlOm9mZmljZS IgeG1sbnM6dz0idXJuOnNjaGVt
YXMtbWljcm9zb2Z0LWNvbTpvZmZpY2U6d29yZCIgeG1sbnM6bT 0iaHR0cDovL3NjaGVtYXMubWlj
cm9zb2Z0LmNvbS9vZmZpY2UvMjAwNC8xMi9vbW1sIiB4bWxucz 0i
ZToNCjEwLjBwdDtmb250LWZhbWlseToiQXJpYWwiLCJzYW5zLX NlcmlmIjtjb2xvcjpibGFjayc+
YSBSZW5vdmFibGU8bzpwPjwvbzpwPjwvc3Bhbj48L3A+DQoNCj wvZGl2Pg0KDQo8L2Rpdj4NCg0K
PC9kaXY+DQoNCjwvZGl2Pg0KDQo8L2JvZHk+DQoNCjwvaHRtbD 4NCg==

--_000_33868AC0576E5B4B959440EB7011DDEE130888DAEEATE NEAsenplad_--

------=neXtPaRt_1316792903
Content-Type: text/plain;



------=neXtPaRt_1316792903--







Anyone has some expirience with similar problems?

[soba@ukw.edu.pl]

Probably you must reconfigure / change encoding section in your amavisd.conf

Did you use any external spam and virus filters, who change mail headers and bodies?