On 04/01/2012 10:55 AM, Délsio Cabá wrote:
I must agree that the options:
#reject-empty-rdns
#reject-ip-in-cc-rdns
reject-missing-sender-mx
#reject-unresolvable-rdns
are very useful for blocking spam, but unfortunately I keep having
complains from some clients that emails were not coming in. I fould out
that some mail server don't even have reverse Ip configured and others
have but the reverse name had not A Records.
So I decided to disable reject-empty-rdns and reject-unresolvable-rdns.
I haven't seen that many that are misconfigured. In some cases the
domain has moved to another host which is not quite configured correctly
yet.
I ask my customers for the domain(s) that are being blocked, and explain
to them that gmail is blocking email from that domain as well. Then I
attempt to contact the admin and let them know what the problem is, and
whitelist the domain in spamdyke.
I'm simply not willing to forgo the advantages these filters give
everyone else due to a few lame brained mail admins. To each his own though.
So I rely only in RBL.
What's the differente between dns-blacklist-entry=sbl-xbl.spamhaus.org
<http://sbl-xbl.spamhaus.org> and
dns-blacklist-entry=sbl-xbl.spamhaus.org <http://sbl-xbl.spamhaus.org>
and |check-dnsrbl=|sbl-xbl.spamhaus.org <http://sbl-xbl.spamhaus.org> ?
Check with spamhaus.org on that. They have several lists.
--
-Eric 'shubes'
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