Hi,
> > the conclusions at that time were:
> > [...] > - It only affects domains on the Public Suffix List. i.e.
> > the sender domain is in some public namespace where Y! want to see
> > an SOA to show it's actually administered by someone.
> >
> > Is that the case for you?
>
> No. I might as
On Sun, Jul 9, 2023 at 18:52 John Levine via mailop
wrote:
> A friend of mine wants to set up a mail server on a VPS and asked me what
> he needs to do beyond the obvious setting up postfix and dovecot. Is there
> a good summary somewhere?
So, at the risk of totally missing the point, I’ll add
On 7/12/23 4:22 PM, Andy Smith via mailop wrote:
We last had this thread back in may
Yikes; not sure how I missed that. Thanks for the pointer.
the conclusions at that time were:
[...] > - It only affects domains on the Public Suffix List. i.e. the sender
domain is in some public namespa
Hi,
On Wed, Jul 12, 2023 at 03:38:05PM -0700, Robert L Mathews via mailop wrote:
> see https://postmaster.yahooinc.com/error-codes
>
> According to that page,
>
> "- These errors indicate that the domain used to the right of the @ in the
> MAIL FROM does not appear to be a real domain.
> - We de
On 2023-07-12 12:53, Jaroslaw Rafa via mailop wrote:
Most of regular consumer email users don't have any reason for this. As Bill
Cole, whom I was replying to, wrote - nobody would try to impersonate you or
me in a phishing campaign for financial gain, because there won't be any.
hehehe.. they
Today I had a customer complain that mail they send to AOL or Yahoo
addresses was being returned with:
451 Message temporarily deferred due to unresolvable RFC.5321 from
domain; see https://postmaster.yahooinc.com/error-codes
According to that page,
"- These errors indicate that the domain u
Dnia 12.07.2023 o godz. 13:58:21 Grant Taylor via mailop pisze:
>
> IMHO, some -- but not all -- that choose not to publish any
> information to make the recipient's lives any easier are somewhat
> choosing to say "I don't care, I'm not going to lift a finger, and
> you must do all the work, even
On 7/12/23 9:28 AM, Jaroslaw Rafa via mailop wrote:
Despite I said that SPF/DKIM/DMARC adds little to security, I would
disagree with what you write here.
The problem is for recipients, not for senders.
I'd argue that almost all SMTP shortcomings are on the receiving end,
not the sending end
On Wed, 12 Jul 2023, ml+mailop--- via mailop wrote:
On Wed, Jul 12, 2023, Andrew C Aitchison via mailop wrote:
Please could you indicate who you are and,
Why?
Sorry, I meant to ask for a name or an alias.
Why ?
Because I don't believe that "the paranoid curmudgeon from esmtp.org"
is your
Note that SRS usually refers to a specific rewriting scheme, one that never
went beyond a draft
and wasn't all that useful directly. You can of course use it, but I don't
think the specific implementation
is that useful. There were people who felt that Gmail should support SRS
or that it already
On Wed, Jul 12, 2023, Andrew C Aitchison via mailop wrote:
> Please could you indicate who you are and,
Why?
> if appropriate, who you work for or represent ?
I do not represent anyone but myself. Hence I prefer not to give
out my name because then some people might think that I speak for
"some
Please don't Cc: me, use only the list for replies, even
if the mailing list software screws up the Reply-To header.
___
mailop mailing list
mailop@mailop.org
https://list.mailop.org/listinfo/mailop
Please could you indicate who you are and,
if appro
My associates and I are building a new Open-Source sending MTA
(https://github.com/KumoCorp/kumomta) and that's our interpretation of the RFC
as well, so we will fall back to the A record if there is no MX record returned.
Mike
-Original Message-
From: mailop On Behalf Of Michael Orlit
On Wed, Jul 12, 2023, Grant Taylor via mailop wrote:
> with Sendmail) send a test message to my user at the test domain. That
> didn't work. I think that Sendmail in the MSA role rejected things out of
Sorry, but "didn't work" is a completely useless problem description.
Provide real data and re
Dňa 12. júla 2023 13:34:42 UTC používateľ Grant Taylor via mailop
napísal:
>I then tried to have my primary client using my primary email system (VPS with
>Sendmail) send a test message to my user at the test domain. That didn't work.
> I think that Sendmail in the MSA role rejected things out
On 7/12/23 4:11 AM, Slavko via mailop wrote:
BTW, my English is not best, don't take me word by word, please...
I don't think I've had any more trouble understanding you / your use of
English as an additional language than I have had with others who use
English as their primary language. Dif
Dnia 12.07.2023 o godz. 08:53:16 Bill Cole via mailop pisze:
> For the overwhelming majority of sending systems, the only internal
> security benefit to implementing SPF/DKIM/DMARC is to make
> impersonation of local users by outsiders for the purpose of fraud
> (so-called "BEC") much harder.
>
>
Hi all
I am looking for a Barracuda contact.
If there's someone who could reach out to me or put me in connection, I
would appreciate
Thank you
Florent Destors
Deliverability Consultant Selligent
florent.dest...@meetmarigold.com | +33 (0)6 13 20 61 16 | meetmarigold.com
_
On 12/07/2023 15:53, Bill Cole via mailop wrote:
For most sending domains, targeted forgery to the world at large is a
non-problem. No one is out there impersonating you or me in email to
random strangers for financial gain.
That is simply not true. For the past two years we have been seeing a
On 7/12/23 1:02 AM, ml+mailop--- via mailop wrote:
Maybe you can explain how you tested it and which software (MTA?)
was used?
Sure.
I stood up a VPS and configured Sendmail as I have done for 20+ years.
I created a (sub)domain-name -- in a different domain than my main
domain name -- that r
On 2023-07-12 at 05:46:47 UTC-0400 (Wed, 12 Jul 2023 11:46:47 +0200)
Jaroslaw Rafa via mailop
is rumored to have said:
Exactly, because from my experience SPF, DKIM and DMARC bring very
little
(if anything at all) to security. I
TRUTH.
For the overwhelming majority of sending systems, the o
Dnia 11.07.2023 o godz. 18:47:03 Grant Taylor via mailop pisze:
> On 7/11/23 4:20 PM, Jaroslaw Rafa via mailop wrote:
> >For start, I suggest to implement SPF, DKIM and DMARC only for
> >outgoing mail, and in fact only to satisfy Google's requirement that
> >these should be in place. Don't bother c
Dňa 11. júla 2023 18:23:45 UTC používateľ Grant Taylor via mailop
napísal:
BTW, my English is not best, don't take me word by word, please...
>I suspect that one of the things that makes email harder is that it
>encompasses many other interrelated and interdependent things. So if
>you're starti
Hi
On Wed, Jul 12, 2023 at 01:00:43AM +0300, Taavi Eomäe via mailop wrote:
> On 11/07/2023 20:43, Bastian Blank via mailop wrote:
> > Given that this host only reacts on port 25 but not on port 587, I
> > assume this is MX.
> Ideally one would offer implicit TLS on port 465 as well (RFC8314).
But
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