> On Sep 7, 2018, at 4:04 PM, Kevin Miller <kevin.mil...@juneau.org> wrote:
>
> When someone sends an attachment via email that exceeds our limit, I'd like
> to return a custom error message directing them to our in-house web based
> file upload/download utility (similar to Dropbox in functionality). I've
> looked at the bounce.cf options, but I don't see an option to address message
> size. Is that a possibility?
Oversize messages are not "bounced" by a receiving server, they are rejected.
The custom message would have to be a change in the Postfix source code that
rejects messages that exceed the message size limit.
--
Viktor.