anne@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.
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