|Main Archive Page > Month Archives > postfix-users archives|
On Wed, 14 May 2014 10:09:19 -0500
Noel Jones <email@example.com> wrote:
> On 5/14/2014 9:59 AM, D'Arcy J.M. Cain wrote:
> > It looks like hotmail is on two DNSBLs and postscreen is blocking
> > them. I would like to offer my users a way to whitelist individual
> > addresses but it looks like I can only whitelist CIDR blocks. Is
> > that the case or do I have another option?
> The only postscreen whitelisting possible is by IP. Postscreen will
> never (and cannot) see a hostname nor an email address.
Yah, that's what I was afraid of.
> Your choices are:
> - remove the offending DNSBL. Postscreen is not appropriate for a
> DNSBL that intentionally lists hosts sending a mixture of good and
> bad mail, such as hotmail, AOL, etc.
I know that SORBS, one of the listing DNSBLs, shouldn't be used but in
my case it is spamcop that is blocking the mails. I thought that they
were generally considered a good source.
> - move the offending DNSBL to the regular smtpd_*_access checks,
> where whitelisting is possible.
Sounds like my best option here.