Re: AW: Greylist-like support

[Aham Brahmasmi]

>From my limited understanding reading the GitHub issues,
OpenSMTPD is being modified in a way that will help resolve certain
problems that OpenSMTPD was facing. [1][2][3]

Monsieur Gilles Chehade has tweeted that he has a version with the
newer configuration file format. [4]

On this list, I have requested for some information on the newer version
this week. Specifically, the distribution mechanism of the snapshots,
the suitability for production and the feasibility to use the
OpenSMTPD-extras with the newer version.

For an overview, please refer to the excellent talk titled
"OpenSMTPD, current state of affairs" by Monsieur Gilles Chehade. [5][6]

Regards,
ab

[1] - https://github.com/OpenSMTPD/OpenSMTPD/issues/773
[2] - https://github.com/OpenSMTPD/OpenSMTPD/issues/772
[3] - https://github.com/OpenSMTPD/OpenSMTPD/milestone/5
[4] - https://twitter.com/PoolpOrg/status/973318245812985857
[5] - https://www.openbsd.org/papers/eurobsdcon2017-opensmtpd.pdf
[6] - https://www.youtube.com/watch?v=wnhvn1rsXR8
-|-|-|-|-|-|-|--

Sent: Saturday, April 07, 2018 at 11:12 AM
From: "Reio Remma" 
To: misc@opensmtpd.org
Subject: Re: AW: Greylist-like support

Unfortunately (message from Gilles):

FILTERS ARE NOT READY. THEY ARE EXPERIMENTAL. THEY ARE MEANT FOR DEVELOPERS, 
NOT USERS. IF YOU RUN A FILTER, YOU'RE ON YOUR OWN.

:)

Reio

On 07.04.2018 10:38, Michael Taubert wrote:
e.g. https://github.com/ajdiaz/opensmtpd-filter-spam additional filters can be 
found here 
https://github.com/OpenSMTPD/OpenSMTPD-extras/tree/751c7b6b56a13a2381485daf0f97dd7fc0da289e/extras/filters[https://github.com/OpenSMTPD/OpenSMTPD-extras/tree/751c7b6b56a13a2381485daf0f97dd7fc0da289e/extras/filters]
 
Best regards,
Michael
 

Von: Reio Remma[mailto:r...@mrstuudio.ee]
Gesendet: Samstag, 7. April 2018 09:35
An: misc@opensmtpd.org[mailto:misc@opensmtpd.org]
Betreff: Re: Greylist-like support
 
On 07.04.2018 3:49, Christopher van de Sande wrote:
> Been managing my personal email on my own for a good 10 years now
> using Postfix, and recently I've come to learn about OpenSMTPD.  I've
> installed it on a test domain and am quite pleased with it. I'm
> thinking about switching over it for my main email.
> 
> One thing I've come to learn that is critical to spam management is
> greylisting. Even the act the "slowing down" a spam message by 60
> seconds gives DNSBL's time to get updated, so by the time SpamAssassin
> checks the message, it correctly labels it as spam. The combination of
> postgrey and spamassassin has been fantastic for me for the last few
> years.
> 
> I'm looking for either a greylist solution or anything that can delay
> an email for a short time. I know it will work with OpenBSD's spamd,
> but I was hoping I could find a linux solution.
> 
> Thanks,
> Chris
 
I've been pondering the exact same thing the last few days. I've been
looking at rspamd, but I'm not keen on switching, since I just migrated
from an old QMail system and am using amavisd-new/spamassassin now. A
little disappointed that amavisd-new doesn't have greylisting built in.
 
Good luck,
Reio
 
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Re: AW: Greylist-like support

[Reio Remma]

Unfortunately (message from Gilles):

FILTERS ARE NOT READY. THEY ARE EXPERIMENTAL. THEY ARE MEANT FOR 
DEVELOPERS, NOT USERS. IF YOU RUN A FILTER, YOU'RE ON YOUR OWN.


:)

Reio

On 07.04.2018 10:38, Michael Taubert wrote:


e.g. https://github.com/ajdiaz/opensmtpd-filter-spam additional 
filters can be found here 
https://github.com/OpenSMTPD/OpenSMTPD-extras/tree/751c7b6b56a13a2381485daf0f97dd7fc0da289e/extras/filters


Best regards,

Michael

*Von: *Reio Remma 
*Gesendet: *Samstag, 7. April 2018 09:35
*An: *misc@opensmtpd.org 
*Betreff: *Re: Greylist-like support

On 07.04.2018 3:49, Christopher van de Sande wrote:

> Been managing my personal email on my own for a good 10 years now

> using Postfix, and recently I've come to learn about OpenSMTPD.  I've

> installed it on a test domain and am quite pleased with it. I'm

> thinking about switching over it for my main email.

>

> One thing I've come to learn that is critical to spam management is

> greylisting. Even the act the "slowing down" a spam message by 60

> seconds gives DNSBL's time to get updated, so by the time SpamAssassin

> checks the message, it correctly labels it as spam. The combination of

> postgrey and spamassassin has been fantastic for me for the last few

> years.

>

> I'm looking for either a greylist solution or anything that can delay

> an email for a short time. I know it will work with OpenBSD's spamd,

> but I was hoping I could find a linux solution.

>

> Thanks,

> Chris

I've been pondering the exact same thing the last few days. I've been

looking at rspamd, but I'm not keen on switching, since I just migrated

from an old QMail system and am using amavisd-new/spamassassin now. A

little disappointed that amavisd-new doesn't have greylisting built in.

Good luck,

Reio

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AW: Greylist-like support

[Michael Taubert]

e.g. https://github.com/ajdiaz/opensmtpd-filter-spam additional filters can be 
found here 
https://github.com/OpenSMTPD/OpenSMTPD-extras/tree/751c7b6b56a13a2381485daf0f97dd7fc0da289e/extras/filters

Best regards,
Michael

Von: Reio Remma
Gesendet: Samstag, 7. April 2018 09:35
An: misc@opensmtpd.org
Betreff: Re: Greylist-like support

On 07.04.2018 3:49, Christopher van de Sande wrote:
> Been managing my personal email on my own for a good 10 years now 
> using Postfix, and recently I've come to learn about OpenSMTPD.  I've 
> installed it on a test domain and am quite pleased with it. I'm 
> thinking about switching over it for my main email.
>
> One thing I've come to learn that is critical to spam management is 
> greylisting. Even the act the "slowing down" a spam message by 60 
> seconds gives DNSBL's time to get updated, so by the time SpamAssassin 
> checks the message, it correctly labels it as spam. The combination of 
> postgrey and spamassassin has been fantastic for me for the last few 
> years.
>
> I'm looking for either a greylist solution or anything that can delay 
> an email for a short time. I know it will work with OpenBSD's spamd, 
> but I was hoping I could find a linux solution.
>
> Thanks,
> Chris

I've been pondering the exact same thing the last few days. I've been 
looking at rspamd, but I'm not keen on switching, since I just migrated 
from an old QMail system and am using amavisd-new/spamassassin now. A 
little disappointed that amavisd-new doesn't have greylisting built in.

Good luck,
Reio

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Re: Greylist-like support

[Reio Remma]

On 07.04.2018 3:49, Christopher van de Sande wrote:
Been managing my personal email on my own for a good 10 years now 
using Postfix, and recently I've come to learn about OpenSMTPD.  I've 
installed it on a test domain and am quite pleased with it. I'm 
thinking about switching over it for my main email.


One thing I've come to learn that is critical to spam management is 
greylisting. Even the act the "slowing down" a spam message by 60 
seconds gives DNSBL's time to get updated, so by the time SpamAssassin 
checks the message, it correctly labels it as spam. The combination of 
postgrey and spamassassin has been fantastic for me for the last few 
years.


I'm looking for either a greylist solution or anything that can delay 
an email for a short time. I know it will work with OpenBSD's spamd, 
but I was hoping I could find a linux solution.


Thanks,
Chris


I've been pondering the exact same thing the last few days. I've been 
looking at rspamd, but I'm not keen on switching, since I just migrated 
from an old QMail system and am using amavisd-new/spamassassin now. A 
little disappointed that amavisd-new doesn't have greylisting built in.


Good luck,
Reio

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