Hello. As so many scams around are based on impersonating someone inside
the company, I am wondering if anyone here has considered the more
extreme solution of completely removing any name in the From: header for
incoming emails? I already have SPF/DKIM/DMARC in place, so the scammers
can't act
On 26/05/2023 10:20, Sebastian Arcus via Exim-users wrote:
strip all names in the From: field altogether and just leave the email address?
Can Exim do that
Yes.
A simple (hah!) matter of remove-header, suitable regex, and add-header.
--
Cheers,
Jeremy
--
## subscription configuration (req
Hello Sebastian!
On Fri, 26 May 2023, Sebastian Arcus via Exim-users wrote:
Hello. As so many scams around are based on impersonating someone inside the
company, I am wondering if anyone here has considered the more extreme
solution of completely removing any name in the From: header for incom
Dňa 26. mája 2023 10:05:16 UTC používateľ Jeremy Harris via Exim-users
napísal:
>A simple (hah!) matter of remove-header, suitable regex, and add-header.
Even more simple, instead of regex, just extract ${address:...}
and use that to replace header, in case of single address...
regards
--
S
Slavko via Exim-users wrote on 26.05.2023 19:40:
> Dňa 26. mája 2023 10:05:16 UTC používateľ Jeremy Harris via Exim-users
> napísal:
>
>> A simple (hah!) matter of remove-header, suitable regex, and add-header.
>
> Even more simple, instead of regex, just extract ${address:...}
> and use that t
On 26/05/2023 18:28, Victor Ustugov via Exim-users wrote:
Please show me how you are going to extract the address without the
regular expression from the header shown above.
Why without? Using ${addresses: } does seem to work ok
for this example:
/considering: ${addresses:=?utf-8?Q?My=20Bizn
Dňa 26. mája 2023 17:50:14 UTC používateľ Jeremy Harris via Exim-users
napísal:
>Why without? Using ${addresses: } does seem to work ok
>for this example:
Jeremy, please, i check docs for ${address:...} now, in it
states RFC 2822 parsing. I don't know how to ask properly
in English. But RFC 28
Jeremy Harris via Exim-users wrote on 26.05.2023 20:50:
> On 26/05/2023 18:28, Victor Ustugov via Exim-users wrote:
>> Please show me how you are going to extract the address without the
>> regular expression from the header shown above.
>
> Why without? Using ${addresses: } does seem to work ok
Victor Ustugov via Exim-users wrote on 26.05.2023 22:44:
> Jeremy Harris via Exim-users wrote on 26.05.2023 20:50:
>> On 26/05/2023 18:28, Victor Ustugov via Exim-users wrote:
>>> Please show me how you are going to extract the address without the
>>> regular expression from the header shown above.
Victor Ustugov via Exim-users wrote on 26.05.2023 20:28:
> Slavko via Exim-users wrote on 26.05.2023 19:40:
>> Dňa 26. mája 2023 10:05:16 UTC používateľ Jeremy Harris via Exim-users
>> napísal:
>>
>>> A simple (hah!) matter of remove-header, suitable regex, and add-header.
>>
>> Even more simple,
Dňa 26. mája 2023 17:28:41 UTC používateľ Victor Ustugov via Exim-users
napísal:
>Please show me how you are going to extract the address without the
>regular expression from the header shown above.
Just curious, can you share your regex for address extracting?
regards
--
Slavko
https://www
On 26/05/2023 20:32, Slavko via Exim-users wrote:
Jeremy, please, i check docs for ${address:...} now, in it
states RFC 2822 parsing. I don't know how to ask properly
in English. But RFC 2822 was replaced by RFC 5322, and
beside that, address string was updated by MIME
encoded-words (i have not R
On 2023-05-26 at 16:41:44 UTC-0400 (Fri, 26 May 2023 21:41:44 +0100)
Jeremy Harris via Exim-users
is rumored to have said:
On 26/05/2023 20:32, Slavko via Exim-users wrote:
Jeremy, please, i check docs for ${address:...} now, in it
states RFC 2822 parsing. I don't know how to ask properly
in E
Dňa 26. mája 2023 20:41:44 UTC používateľ Jeremy Harris via Exim-users
napísal:
>As I read it, 5322 defines display-name as "phrase"
>and then helpfully does not define *that*.
Phrase is defined in 3.2.5 section as one or more words,
and as word is atom or quoted-string, phrase is one or
more
Dňa 26. mája 2023 17:28:41 UTC používateľ Victor Ustugov via Exim-users
napísal:
>I posted example to this list five weeks ago:
>
>From: =?utf-8?Q?My=20Bizness:=20Inc.?=
>
>I know that comma must be encoded. Also I know that MUAs correctly
>display such headers.
All MUAs? Your MUAs?
My MUA s
Slavko via Exim-users wrote on 27.05.2023 00:42:
> Dňa 26. mája 2023 17:28:41 UTC používateľ Victor Ustugov via Exim-users
> napísal:
>
>> I posted example to this list five weeks ago:
>>
>> From: =?utf-8?Q?My=20Bizness:=20Inc.?=
>>
>> I know that comma must be encoded. Also I know that MUAs co
Slavko via Exim-users wrote on 26.05.2023 23:32:
> Dňa 26. mája 2023 17:28:41 UTC používateľ Victor Ustugov via Exim-users
> napísal:
>
>> Please show me how you are going to extract the address without the
>> regular expression from the header shown above.
>
> Just curious, can you share your
Dňa 26. mája 2023 22:04:42 UTC používateľ Victor Ustugov via Exim-users
napísal:
>Or was your question about MTA features for your personal use only?
No, that was rhetorical questions ;-)
>It would be nice if everyone used your MUA or my MUA. But that doesn't
>happen in real life. I would cons
Dňa 26. mája 2023 22:31:56 UTC používateľ Victor Ustugov via Exim-users
napísal:
>
>${if
>eq{${address:$rh_From:}}{}{${sg{$rh_From:}{\N^.*<(\S+?@\S+?)>\s*\N}{\$1}}}{${address:$rh_From:}}}
>
Thanks, but do you know that is not perfect too? Eg. try
add "(comment)" after address and will match inv
Slavko via Exim-users wrote on 27.05.2023 02:19:
> Dňa 26. mája 2023 22:04:42 UTC používateľ Victor Ustugov via Exim-users
> napísal:
>
>> Or was your question about MTA features for your personal use only?
>
> No, that was rhetorical questions ;-)
>
>> It would be nice if everyone used your M
On 2023-05-16, MRob via Exim-users wrote:
> Hi, I want to capture part of a regex match (capture group) to put in
> logs. This example using subject header works but is there a better way?
>
> warn set acl_c_temp = ${if match{$h_Subject:}{ group>}{$1}{none}}
> !condition = ${if eq{$acl_c_te
On Fri, May 26, 2023 at 10:20:32AM +0100, Sebastian Arcus via Exim-users wrote:
.. snip ..
> next step would be to just strip all names in the From: field altogether and
> just leave the email address? Can Exim do that, and has anyone considered
> it?
This is the kind of transform I prefer to do
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