https://bugs.exim.org/show_bug.cgi?id=2664
Phil Pennock <pdp@???> changed:
What |Removed |Added
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CC| |pdp@???
--- Comment #2 from Phil Pennock <pdp@???> ---
The SIZE extension on the MAIL verb is so fundamental that in Exim it's core
functionality which can't be disabled (that I recall). When you connect to an
Exim SMTP listener and send an EHLO command, you will see SIZE listed as an
extension. This comes straight from RFC 1870.
The main option for tuning the advertised value is "message_size_limit", which
can be found on
https://www.exim.org/exim-html-current/doc/html/spec_html/ch-main_configuration.html
The docs there do note:
> A value of 0 will disable size limit checking; Exim will still advertise the SIZE extension in an EHLO response, but without a limit, so as to permit SMTP clients to still indicate the message size along with the MAIL verb.
You can also see in the smtp_check_spool_space documentation:
> When this option is set, if an incoming SMTP session encounters the SIZE option on a MAIL command, it checks that there is enough space in the spool directoryâs partition to accept a message of that size [...]
We don't explicitly call out the RFC by number as supported. We will happily
accept patches which improve the documentation.
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