Re: [exim] Body rewrite

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著者: Sebastian Nielsen
日付:  
To: 'Mailing List'
題目: Re: [exim] Body rewrite
I think its better to do it like this:

add_header = Keywords: =?UTF-8?Q?=E2=9A=A0=EF=B8=8F External Mail - be
careful of attachments and links!?=

That will add a nice banner on top of the email with the information
instead. It can even be colorized, but has to be done in the client. Just
doubleclick the banner, and then choose a color, and choose Add.
In the email list view, you can add the column "Categories" to have
at-a-glance view of which emails are external and internal.

This can be added based on the sender domain, provided you reject emails
from your own domain if they aren't authenticated or a trusted source.

For trusted internal mails you can do:

add_header = Keywords: =?UTF-8?Q?=E2=9C=94=EF=B8=8F Trusted internal email!
You can trust this email!?=

Remember to scrub any Keywords headers from incoming emails so any attacker
cannot add fake headers.


-----Ursprungligt meddelande-----
Från: Francisco Garcia Perez via Exim-users <exim-users@???>
Skickat: den 31 augusti 2020 21:08
Till: exim-users@???
Ämne: [exim] Body rewrite

Hi to everyone,
I want to add a warning message like this:

*CYBER SECURITY WARNING:* This email is from an external source - be careful
of attachments and links

In top of all incoming emails that come from external sources. Anyone know
how to do this?

Regards
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