Op Mon, 28 Aug 2017 20:20:16 +0200 schreef Edgar Pettijohn
<[email protected]>:
On Mon, Aug 28, 2017 at 02:22:14PM -0300, Felipe N. Oliva wrote:
Em 8/28/17 13:43, Edgar Pettijohn escreveu:
> On Mon, Aug 28, 2017 at 08:55:44AM -0300, Felipe N. Oliva wrote:
> [...] What features are you looking for?
Like SPF or RBL checking.
Currently no. Unless your distro still packages the circa 5.9.2 release
with the accompanying opensmtpd-extras which has filters for rbl
checking, not sure about spf checks.
SPF filter not included. I was working on one, but stopped development
when the filter API got pulled; in its current state it causes some mail
to be lost after receipt, so I can't recommend using it.
Not sure that spf checks are all that accurate.
Of course that is up for debate.
In my experience, SPF checks are a reasonably accurate way to assess
whether a sending domain authorizes a certain host to send mail in its
name. Whether a given envelope "passes" an SPF check, is not an accurate
indication of anything (by itself). SPF is meant to be used together with
local policies that decide when and how to use an SPF record.
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