Re: [mailop] Opentable, Legit-looking mail to the wrong address with no unsubscribe

2023-08-30 Thread John Levine via mailop
It appears that � ngel via mailop  said:
>On 2023-08-24 at 14:29 -0400, postfix--- via mailop wrote:
>> (...)
>> Needless to say:  I will avoid restaurants using OpenTable, whether 
>> while visiting destinations or at home.  If they cannot choose a
>> service provider that is respectful of my choices, they do not
>> deserve my business.
>
>Great opportunity lost here to add a tip in the bill, then subtracting
>in an itemized way a fee for the text message on roaming, for every
>reminder email and for suggesting you're so dumb to need an email
>telling you you're seated at the restaurant (maybe that reflects the
>average IQ of their patrons?)

It is really poor form to penalize the waiters who depend on tips for
the perceived sins of the restauarant's owner. If you dislike their
spam, tell the manager why you won't be back, don't pick on the
waiter.

I've used Opentable a lot, they have a unique address so I know when
the mail is from them, and I don't recall having much trouble getting
overenthusiastic restaurants to shut up.

R's,
John
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Re: [mailop] Any old-school sendmail types here good with the m4?

2023-08-30 Thread Grant Taylor via mailop

On 8/30/23 2:06 AM, Dan Mahoney (Gushi) via mailop wrote:
Grant, I appreciate the time it must have taken you to write this long 
callout about how I surely must be "doing it wrong".


:-)


I've been running mail for 20 years now.


*nod*

I think I've been running Sendmail roughly the same amount of time. '00 
plus or minus depending on how you count things.



This is the first occurence of this problem


I don't think that "1st time in 20 years" is as appropriate as you might 
want it to be, seeing as how we're talking about a behavior that I 
understand SpamHaus to have changed in the last 18 months or so.


(and again, only because the local caching resolver that my new host 
configured...was not recursive).


That ... seems problematic.

The mix of solutions I've had in play has served me reasonably well.  My 
SA config checks many RBLs.  But the volume and load of mails I scan 
with SA would be easily tenfold if not for SH.


To each their own.

I still stand by not rejecting out of hand /just/ /because/ an IP is 
listed in an RBL.


I've also discovered (over on comp.mail.sendmail) that SpamHaus's 
recommended, documented use of the enhdnsbl feature DOES NOT WORK, which 
I suspect is a bug in how the rules are transformed from .mc syntax to 
.cf syntax.


I can't prove or disprove that.  But it sounds like something else is wrong.

M4 has been converting macro config (.mc) syntax rules to config file 
(.cf) syntax rules for more than two decades.


There is entirely a possibility that something has happened that has 
caused the .mc to not behave as desired.  I'm thinking something like 
smart quotes, or CR/LF issues, or similarly almost certainly wouldn't 
happen if lines were re-typed by hand.  (Assuming no typos.)


In order to debug the m4 not doing the right things, I need to 
understand the raw .cf, which brings me back to my original 
tongue-in-cheek suggestion of greater enlightenment.


I interpret that a little bit differently.

It sounds to me like you are saying that the underlying .cf syntax -- 
generated from the .mc syntax -- is broken.


Once you have the fully functional .cf syntax, you can then tackle why 
the .mc syntax isn't generating the desired .cf syntax.


If you have valid .cf syntax and .mc syntax that isn't quite generating 
said .cf syntax, please share it and I'll take a look.


A lot of M4 work can be "how can I generate this result" and working 
backwards to "this will generate that".




--
Grant. . . .
unix || die

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Re: [mailop] OT: OpenTable

2023-08-30 Thread Andrew C Aitchison via mailop

On Wed, 30 Aug 2023, Ángel via mailop wrote:


On 2023-08-24 at 14:29 -0400, postfix--- via mailop wrote:

(...)
Needless to say:  I will avoid restaurants using OpenTable, whether
while visiting destinations or at home.  If they cannot choose a
service provider that is respectful of my choices, they do not
deserve my business.


Great opportunity lost here to add a tip in the bill, then subtracting
in an itemized way a fee for the text message on roaming, for every
reminder email and for suggesting you're so dumb to need an email
telling you you're seated at the restaurant (maybe that reflects the
average IQ of their patrons?)


Not sure they would take action on clearly viewing the monetary results
of their "awesome system", but it would certainly be a bill that would
do rounds on the internet for years.


I haven't experienced OpenTable but if it allows
that sort of response when tipping, then I am impressed.

--
Andrew C. Aitchison  Kendal, UK
   and...@aitchison.me.uk___
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Re: [mailop] Any old-school sendmail types here good with the m4?

2023-08-30 Thread ml+mailop--- via mailop
On Wed, Aug 30, 2023, Dan Mahoney (Gushi) via mailop wrote:

> I've also discovered (over on comp.mail.sendmail) that SpamHaus's
> recommended, documented use of the enhdnsbl feature DOES NOT WORK, which I

You should have read the fine (sendmail) documentation instead:

FEATURE(`enhdnsbl', `dnsbl.example.com', `', `t', `127.0.0.2.')

the trailing dot is important (check the -a option of the map).

Also shown in one of the replies you got here.

-- 
Please don't Cc: me, use only the list for replies, even if the
mailing list software screws up the Reply-To header.
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Re: [mailop] Any old-school sendmail types here good with the m4?

2023-08-30 Thread Dan Mahoney (Gushi) via mailop

On Wed, 23 Aug 2023, Grant Taylor via mailop wrote:


On 8/23/23 4:29 AM, Dan Mahoney (Gushi) via mailop wrote:

I just posted this over on comp.mail.sendmail, but the gist of it is:

Sometimes spamhaus hands off a query to their dnsbls of 127.255.255.255 or 
127.255.255.254, indicating that you're being rate limited.


With all due respect, this seems to be more of a /configuration/ (of 
Sendmail) problem than it is a Sendmail or M4 problem.


Grant, I appreciate the time it must have taken you to write this long 
callout about how I surely must be "doing it wrong".


I've been running mail for 20 years now.  This is the first occurence of 
this problem (and again, only because the local caching resolver that my 
new host configured...was not recursive).


The mix of solutions I've had in play has served me reasonably well.  My 
SA config checks many RBLs.  But the volume and load of mails I scan with 
SA would be easily tenfold if not for SH.


I've also discovered (over on comp.mail.sendmail) that SpamHaus's 
recommended, documented use of the enhdnsbl feature DOES NOT WORK, which I 
suspect is a bug in how the rules are transformed from .mc syntax to .cf 
syntax.


In order to debug the m4 not doing the right things, I need to understand 
the raw .cf, which brings me back to my original tongue-in-cheek 
suggestion of greater enlightenment.


-Dan

--

Dan Mahoney
Techie,  Sysadmin,  WebGeek
Gushi on efnet/undernet IRC
FB:  fb.com/DanielMahoneyIV
LI:   linkedin.com/in/gushi
Site:  http://www.gushi.org
---
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