Re: [mailop] SPF notification question

2020-06-05 Thread Frank Bulk via mailop
I have an automated system in place for our customers, partners, and friends 
domains to catch that and then I make them aware.  There’s currently about 108 
on my list that are broken. 

 

I’m not going to put a spotlight on everyone, but here’s a list of .edu domains:

ashland.edu

dmu.edu

sdstate.edu

usd.edu

If anyone has some good connections to those schools, please send a note of 
encouragement. 

 

Success rate is about 5 to 10%.  If I get a response from someone in the first 
few days after my first note then it’s usually 80% chance it will be resolved 
in two weeks. There’s some who think that the problem is our spam filtering 
server and lot of confusion on who/where to send my note – I usually encourage 
their IT consultant/department or their email or DNS resource.

 

Frank 

 

From: mailop  On Behalf Of Liam Fisher via mailop
Sent: Thursday, June 04, 2020 9:05 AM
To: mailop@mailop.org
Subject: [mailop] SPF notification question

 

Quick question to the hive mind about SPF.

 

 

What do you usually do for domains that have broken SPF records?  I mean the 
ones affecting your inbound to local delivery.

 

Do you notify the sender and what's the usual process?

 

 

 

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Re: [mailop] SPF notification question

2020-06-04 Thread Michael Peddemors via mailop

Wow! Open ended question, and also depends on the SPF record..

Some you WANT to block at the edge (aside from the whole email 
forwarding thing) and some you may simply want to filter.


But by rejecting, that IS a notification .. hehehe..

However, for many individuals out there trying their best to run an 
email server, they have a hard enough time getting DNS right... let 
alone SPF..


This is where is is probably best to 'be kind to the animals'.. UNLESS 
of course, it is something important that is likely to get 
forged/faked/phished like a bank.


But in reality, most of us are too busy to spend time on reporting.. 
Assume if it is broken, they will notice pretty quickly anyways.. The 
big guys rejecting your email is often when people first start looking 
at SPF..


But during this difficult time, we want to be nice to our neighbours 
when we can be, and phishing attack rates never higher.. So, if you can 
spare the cycles.. sure.. why not..


But when a bank screws up on their SPF.. yeah, the best thing is to 
block them, and that will get their attention ;)  For them, we need to 
set them to higher standards.. IMHO


Other opinions?

On 2020-06-04 7:05 a.m., Liam Fisher via mailop wrote:

Quick question to the hive mind about SPF.


What do you usually do for domains that have broken SPF records?  I mean 
the ones affecting your inbound to local delivery.


Do you notify the sender and what's the usual process?

--
"Catch the Magic of Linux..."

Michael Peddemors, President/CEO LinuxMagic Inc.
Visit us at http://www.linuxmagic.com @linuxmagic
A Wizard IT Company - For More Info http://www.wizard.ca
"LinuxMagic" a Registered TradeMark of Wizard Tower TechnoServices Ltd.

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Re: [mailop] SPF notification question

2020-06-04 Thread Michael Rathbun via mailop
On Thu, 4 Jun 2020 10:05:02 -0400 (GMT-04:00), Liam Fisher via mailop
 wrote:

>What do you usually do for domains that have broken SPF records?

SpamAssassin adds 7.5 points, enough for classification as spam, absent any
mitigating factors.  This is generally a desired outcome.

>Do you notify the sender and what's the usual process?

I can't imagine doing that.  There would be hundreds of notifications daily to
domains used once by spammers (or misused by spammers) with no practical
outcome that I can perceive.  And my day job is our customers' deliverability.

mdr
-- 
   Sometimes half-ass is exactly the right amount of ass.
   -- Wonderella


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Re: [mailop] SPF notification question

2020-06-04 Thread Jaroslaw Rafa via mailop
Dnia  4.06.2020 o godz. 10:05:02 Liam Fisher via mailop pisze:
> What do you usually do for domains that have broken SPF records?  I
> mean the ones affecting your inbound to local delivery.

Well, as SPF is a fundamentally flawed idea, I don't check SPF (nor DKIM,
nor DMARC) at all on incoming mail. I only use them on outbound mail, mostly
to satisfy Google ;).

In my opinion, the only case you should care about SPF is when a domain
publishes "-all" as the ONLY entry in the SPF record, ie. it indicates that
it doesn't send mail at all. (But I don't even bother to check this :)) 

I rather like to rely on old fashioned methods like RBLs, manual black/white
lists and content analysis for spam filtering.
-- 
Regards,
   Jaroslaw Rafa
   r...@rafa.eu.org
--
"In a million years, when kids go to school, they're gonna know: once there
was a Hushpuppy, and she lived with her daddy in the Bathtub."

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[mailop] SPF notification question

2020-06-04 Thread Liam Fisher via mailop
Quick question to the hive mind about SPF.What do you usually do for domains that have broken SPF records?  I mean the ones affecting your inbound to local delivery.Do you notify the sender and what's the usual process?

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