On Wed, Dec 27, 2023 at 06:45:27AM +0100, Ralph Seichter via Postfix-users
wrote:
> * Viktor Dukhovni via Postfix-users:
>
> > Microsoft ESMTP MAIL Service [...]
>
> Gee, who woulda thunk? ;-) That being said, perhaps somebody on the
> "mailop" mailing list would be able to offer more insight?
* Viktor Dukhovni via Postfix-users:
> Microsoft ESMTP MAIL Service [...]
Gee, who woulda thunk? ;-) That being said, perhaps somebody on the
"mailop" mailing list would be able to offer more insight? Some exotic
extension, perhaps, or a weird application level firewall? I sure hope
it is not a
On 2023-12-25 16:52, Wietse Venema via Postfix-users wrote:
> Dmitry Katsubo via Postfix-users:
>> Dear Postfix team,
>>
>> In some rare cases when OS is CPU-loaded, the log is overflowed with the
>> following messages from Postfix, which fills up log space very quickly:
>>
>> 2023-12-24
I can't imagine what went on in the minds of the developers who thought
it necessary to implement an "X-ANONYMOUSTLS" ESMTP extension. What's
wrong with STARTTLS, that this was felt to be needed?
Does anyone known where this might be, at least in part, documented?
I've just run into a domain
> On 26 Dec 2023, at 20:30, Bob Proulx via Postfix-users
> wrote:
>
> Wietse Venema wrote:
>> As a few on this list may recall, it is 25 years ago today that the
>> "IBM secure mailer" had its public beta release.
>
> Thank you for Postfix and thank you all of the years of working on it!
> I
Wietse Venema wrote:
> As a few on this list may recall, it is 25 years ago today that the
> "IBM secure mailer" had its public beta release.
Thank you for Postfix and thank you all of the years of working on it!
I can't imagine running a mail server using any other software.
Postfix is not just
Pedro David Marco:
> To my understanding, the Smuggled email contains SMTP data plus
> headers, plus body... , so what is the problem if filters check
> them as well?
Wietse:
> The problem is that Postfix receives TWO messages.
> https://www.postfix.org/smtp-smuggling.html#impact
Pedro David
Thanks Wietse, yes it is clear in your doc, but both messages go through
filter?? despite what the MAIL FROM is?
Thanks,
Pedro.
On Tuesday, December 26, 2023 at 03:34:34 PM GMT+1, Wietse Venema via
Postfix-users wrote:
Pedro David Marco via Postfix-users:
> To my understanding, the
Pedro David Marco via Postfix-users:
> To my understanding, the Smuggled email contains SMTP data plus
> headers, plus body... , so what is the problem if filters check
> them as well?
The problem is that Postfix receives TWO messages.
https://www.postfix.org/smtp-smuggling.html#impact
Hi all,
after reading the documention from Viktor and Wietse about this issue, there is
still something i do not have clear enough... Please excuse me!
How does Postfix behave with the smuggled email? i mean... what happens with
Milters and after-queue filters?
To my understanding, the
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