jakub nadolny enepivylgnovcarrywaterpl hi finally tcpdump problem described time ago remind attach whole description end email written looks like mua sends find byte sequence 0d 0a 2e 0d 0a tcp dump could please help problem occures one internet provider orange poland always sometimes ideas else check ive placed tcp dump httpjakubnadolnyinfotmptcpdumpcuttxt thanks advance jakub previous email ive got following problem sometimes mail attachments truncated email send files corrupted mail header contains xamavisalert bad header mime error error part end expected boundary true boundary mime data stream completed ive turned detailed postfix debugging looks like point smtp_get eof instead some_ip quit some_ip 221 200 bye attachment truncated different sizes sometimes 65kb sometimes 200kb different times 25s 100s common thing ive found mails come one internet provider publicgprscentertelpl guess might problem provider orange poland hand send emails mail servers without problem got stuck way debug ideas could cause use postfix 238 debian stable amavis filters fri 08 aug 2008 143927 0100 mail attachements truncated