For the record, you should never 'hide' the connecting IP, that
information is very valuable for all abuse handling, and so you can
quickly see when someone reports spam from your network, who is abusing
it..
the whole privacy vs security debates aside please..
And it also allows other spam protections to better act on it, eg if the
IP is on a DROP rbl, or an auth RBL like RATS-AUTH, etc..
A lot of information can be gathered on the actor behind BEC if the
authenticating IP is part of that data..
And given that much of the world uses a NAT connection, it's not like
the IP is really PPI.. There is a lot more PPI being gathered from other
parts of the email.
On 2024-02-02 10:25, Ellie McNeill wrote:
Hi, I've recently upgraded my mail server from Debian 11 to Debian 12.
It now runs dovecot 2.3.19.1 (verified with dovecot --version).
According to the "Dovecot Core Settings" page, a new setting
'submission_add_received_header' was added in dovecot 2.3.19 to give
admins the option of hiding the IP of the sending client when using
dovecot's submissiond:
https://doc.dovecot.org/3.0/settings/core/
However, when I place this option in my config, dovecot refuses to start
and says that the option is not recognised:
doveconf: Fatal: Error in configuration file
/etc/dovecot/conf.d/20-submission.conf line 92: Unknown setting:
submission_add_received_header
Can anyone help me with this?
Ellie
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