> anne at localhost > SMTP error: 552 5.3.4 Message size exceeds fixed limit > Reporting-MTA: dns; borg2.lydgate.lan > > I presume that this is a configurable limit, but I'm not sure where to look. > Since it says MTA I'm thinking that it's probably postfix. Can someone > please tell me what parameter I'm looking for? Thanks If it's postfix, the parameter is message_size_limit -- the default is 10240000 (10MB) if it's not explicitly configured. This parameter goes in main.cf. M