LazyGranch:
I look it at the point of view of the server who are receiving the mail.
So basically, the OP has some email adress like "webapprecei...@example.org"
that receives mail and processes this automatically into a database.
Only authorized users are allowed to send to this specifically craf
On Mon, Sep 05, 2016 at 07:23:10PM +0200, Sebastian Nielsen wrote:
> No, you're wrong. What the OP should do, is to enforce SPF/DKIM on
> specific RECEIVERS. For example, enforcing SPF/DKIM on for example
> webappad...@example.org.
It's important to remember what each step is actually authenticati
tian Nielsen
Sent: Monday, September 5, 2016 9:54 AM
To: postfix-users@postfix.org
Subject: SV: advice on securing a transport
There is possibility to use SPF or DKIM to ensure the sender is not spoofed.
For this particular service, you can run your SPF and/or DKIM validator in
mandatory mode, eg, a m
There is possibility to use SPF or DKIM to ensure the sender is not spoofed.
For this particular service, you can run your SPF and/or DKIM validator in
mandatory mode, eg, a missing SPF record will be treated as -all, and a
missing DKIM signature is treated as a invalid one.
Then you can actually
