I've got a Postfix server (it's a flurdy build) that hasn't had
smtpd_recipient_restrictions set properly, hence the drops. I'm
currently waiting to get my DQS key before making the config change.
(Ivar, if you're reading, this would be a great thing to put in the
guide!)
Thanks!
-Brian
On 2022-11-04 12:28, Jarland Donnell via mailop wrote:
Indeed they shouldn't. The most noteworthy implementation that seems
to treat these as false positives is cPanel, I believe. Every single
day we run into no less than 3-5 servers which reject emails from us,
claiming that we're listed on SH. They seem to almost always be cPanel
boxes.
On 2022-11-04 08:11, Jaroslaw Rafa via mailop wrote:
Dnia 4.11.2022 o godz. 12:52:44 L. Mark Stone via mailop pisze:
Queries to spamhaus.org from the public DNS resolvers fail, leading
to
false positives.
They should not lead to false positives, because one should not treat
the
results Spamhaus returns in this case (127.255.255.254 or
127.255.255.255)
as positives at all. Positive replies from Spamhaus (in case of IP
address
checks) are in range 127.0.0.0/24 ONLY, which is clearly explained
here:
https://www.spamhaus.org/faq/section/DNSBL%20Usage#200
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