Hi all, My mail server is a SuSE 10.0 postfix-2.2.5-5. Always i try to send a large mail message i get the following error: '[email protected] 552 5.2.3 Message exceeds maximum fixed size (10000000) In my main.cf i have configured: message_size_limit=0 mailbox_size_limit=0 And i can receive large messages (>10000000)!!! Can anybody help me? Thanks!!!