See POSTSCREEN_README for logging examples and explanation, also
on-line at http://www.postfix.org/POSTSCREEN_README.html.
That includes PASS NEW, PASS OLD, and if some example is missing.
please let me know.
Wietse
> On May 24, 2020, at 7:21 PM, Wietse Venema wrote:
>
> Charles Sprickman:
>> Hi all,
>>
>> I have a site with a very old domain that's at the front of the
>> alphabet. For some reason (age, alphabetical order, ???) that
>> domain gets bombarded with spam before the senders make it onto
>>
On 26 May 2020, at 15:11, Marvin Renich wrote:
> However, when I first set up greylisting on my family email server (it
> was exim way back then, but has long been postfix), I set it up so that
> all incoming mail was sent through spamassassin _during_ SMTP, prior to
> accept or reject. Mail
> On 25 May 2020, at 12:00, Chris Wedgwood wrote:
>
>> Greylisting has become pretty much useless. When I disabled it a
>> couple years ago, the spam levers did not increase by any measurable
>> amount. We now use just 3 RBLs and that seems to be a relatively
>> acceptable level of spam.
>
>
> Contrary to someone else's experience related in this thread, I
> still see a significant amount of spam that greylisting blocks, and
> extremely few spammers retry and get through.
I concurn, as reported, I curently see greylisting reduce spam by a
factor of 4.
> I have only had one known
* Laura Smith [200524 16:00]:
> > I’ve been sort of opposed to greylisting in the past due to a
> > userbase that’s sensitive to delays, but… the spam is worse.
>
> IMHO Greylisting is rather pointless. Its a blunt tool, and not only
> that it does that unforgivable thing of annoying genuine
> Greylisting has become pretty much useless. When I disabled it a
> couple years ago, the spam levers did not increase by any measurable
> amount. We now use just 3 RBLs and that seems to be a relatively
> acceptable level of spam.
Checking for %ge of messages that "return after defer" I see:
Kris Deugau writes:
> micah anderson wrote:
>> Allen Coates writes:
>>> The web page https://www.abuseat.org/faq.html (about half-way down the
>>> page)
>>> has an honest - and fairly recent - appraisal of a number of DNSBLs.
>>
>> Its a little outdated...
>>
>> For example:
>>
>>
micah anderson wrote:
Allen Coates writes:
The web page https://www.abuseat.org/faq.html (about half-way down the page)
has an honest - and fairly recent - appraisal of a number of DNSBLs.
Its a little outdated...
For example:
Invaluement DNSBL
[Note: Commercial] ivmURI and ivmSIP
On 25 mai 2020, at 13:56, Michael wrote:
>
> I've found the Barracuda rbl to be very useful.
>
> https://www.barracudacentral.org/rbl
I'm using paid spamhaus RBL (local zone file rsynched) for a very long time, at
work, and we are very happy about it. I use complementary RBL also like
Hello,
> On 25 mai 2020, at 03:59, Vincent Pelletier wrote:
>
> On Fri, May 22, 2020 at 5:43 AM Ralph Seichter wrote:
>> Yeah, delays... Used to be people understood the difference between
>> asynchronous messaging (i.e. email) and instant messaging. Nowadays it
>> seems that no day goes by
I've found the Barracuda rbl to be very useful.
https://www.barracudacentral.org/rbl
On 2020-05-25 3:21 am, Allen Coates wrote:
On 24/05/2020 23:22, micah anderson wrote:
We paid for access to spamhaus for a while, but they jacked up the
prices and now its far too expensive even for their
Allen Coates writes:
> On 24/05/2020 23:22, micah anderson wrote:
>> We paid for access to spamhaus for a while, but they jacked up the
>> prices and now its far too expensive even for their non-profit rate.
>>
>> What RBLs do people find to be effective now days? I was looking at
>> SpamRats,
On 24/05/2020 23:22, micah anderson wrote:
> We paid for access to spamhaus for a while, but they jacked up the
> prices and now its far too expensive even for their non-profit rate.
>
> What RBLs do people find to be effective now days? I was looking at
> SpamRats, which I did not know about
On Fri, May 22, 2020 at 5:43 AM Ralph Seichter wrote:
> Yeah, delays... Used to be people understood the difference between
> asynchronous messaging (i.e. email) and instant messaging. Nowadays it
> seems that no day goes by without somehing along these lines:
>
> "Hi. We have not seen you
Charles Sprickman:
> Hi all,
>
> I have a site with a very old domain that's at the front of the
> alphabet. For some reason (age, alphabetical order, ???) that
> domain gets bombarded with spam before the senders make it onto
> any of the blacklists I use (even trialed a few for-profit
>
> On 24 May 2020, at 13:05, Charles Sprickman wrote:
>
>
>
>> On May 24, 2020, at 3:59 PM, Laura Smith
>> wrote:
>>
>>>
>>> I’ve been sort of opposed to greylisting in the past due to a userbase
>>> that’s sensitive to delays, but… the spam is worse.
>>>
>>
>>
>> IMHO Greylisting is
Laura Smith writes:
> I should also add that you should not be afraid to pay for access. The
> good lists will (a) block you if you hammer them with high volumes of
> requests (b) save some of their better content (or new innovations)
> for their paid subscribers.
We paid for access to spamhaus
> On May 24, 2020, at 3:59 PM, Laura Smith
> wrote:
>
>>
>> I’ve been sort of opposed to greylisting in the past due to a userbase
>> that’s sensitive to delays, but… the spam is worse.
>>
>
>
> IMHO Greylisting is rather pointless. Its a blunt tool, and not only that it
> does that
>
> I’ve been sort of opposed to greylisting in the past due to a userbase that’s
> sensitive to delays, but… the spam is worse.
>
IMHO Greylisting is rather pointless. Its a blunt tool, and not only that it
does that unforgivable thing of annoying genuine people.
I would hazard a guess that
On 21 May 2020, at 12:49, Charles Sprickman wrote:
> I was wondering if greylisting might be a good option here.
It's a matter of how much Nanking you are willing to do and how much legitimate
mail your are willing to lose.
The usual method of greylisting where you tell a server to try again
* Charles Sprickman:
> I’ve been sort of opposed to greylisting in the past due to a userbase
> that’s sensitive to delays, but… the spam is worse.
Yeah, delays... Used to be people understood the difference between
asynchronous messaging (i.e. email) and instant messaging. Nowadays it
seems
On 2020-05-21 19:49 BST, Charles Sprickman wrote:
> What is your “go to” greylisting solution these days?
It wasn't keeping much out after configuring postscreen and I gave up on
greylisting about a year ago, so this might be out of date but: postgrey
worked reliably for me without any fuss.
--
On 21.05.20 14:49, Charles Sprickman wrote:
I have a site with a very old domain that’s at the front of the alphabet.
For some reason (age, alphabetical order, ???) that domain gets bombarded
with spam before the senders make it onto any of the blacklists I use
(even trialed a few for-profit
Den 21.05.2020 20:49, skrev Charles Sprickman:
Hi all,
I have a site with a very old domain that’s at the front of the alphabet. For
some reason (age, alphabetical order, ???) that domain gets bombarded with spam
before the senders make it onto any of the blacklists I use (even trialed a
Hi all,
I have a site with a very old domain that’s at the front of the alphabet. For
some reason (age, alphabetical order, ???) that domain gets bombarded with spam
before the senders make it onto any of the blacklists I use (even trialed a few
for-profit blacklists). Literally some of these
26 matches
Mail list logo
