Question on DKIM signature

2021-08-16 Thread Ken N
I was reading this blog posting: https://www.alexblackie.com/articles/email-authenticity-dkim-spf-dmarc/ But I am confused that, what content should DKIM signature for? The message body or headers? what headers should be signed? Thank you.

Re: Question on DKIM signature

2021-08-16 Thread Dominic Raferd
On 16/08/2021 10:21, Ken N wrote: I was reading this blog posting: https://www.alexblackie.com/articles/email-authenticity-dkim-spf-dmarc/ But I am confused that, what content should DKIM signature for? The message body or headers? what headers should be signed? The body is always included for

Re: Question on DKIM signature

2021-08-16 Thread Matus UHLAR - fantomas
On 16.08.21 17:21, Ken N wrote: I was reading this blog posting: https://www.alexblackie.com/articles/email-authenticity-dkim-spf-dmarc/ But I am confused that, what content should DKIM signature for? any content you don't want to be nodified The message body or headers? what headers should

Re: Question on DKIM signature

2021-08-16 Thread raf
On Mon, Aug 16, 2021 at 05:21:15PM +0800, Ken N wrote: > I was reading this blog posting: > https://www.alexblackie.com/articles/email-authenticity-dkim-spf-dmarc/ > > But I am confused that, what content should DKIM signature for? > The message body or headers? what headers should be signed? >

Re: Question on DKIM signature

2021-08-16 Thread Benny Pedersen
On 2021-08-16 11:21, Ken N wrote: I was reading this blog posting: https://www.alexblackie.com/articles/email-authenticity-dkim-spf-dmarc/ But I am confused that, what content should DKIM signature for? The message body or headers? what headers should be signed? its safe ti see dkimpy as a goo

Re: Question on DKIM signature

2021-08-16 Thread Ken N
Raf Thank you for providing the details. That make things clear. Regards. On 2021/8/16 6:26 下午, raf wrote: On Mon, Aug 16, 2021 at 05:21:15PM +0800, Ken N wrote: I was reading this blog posting: https://www.alexblackie.com/articles/email-authenticity-dkim-spf-dmarc/ But I am confused that

Re: Question on DKIM signature

2021-08-16 Thread Matus UHLAR - fantomas
On 16.08.21 21:11, Ken N wrote: Thank you for providing the details. That make things clear. On 2021/8/16 6:26 下午, raf wrote: DKIM signatures should include the entire body, and some headers. The RFC only requires that the From: header be included, but it lists some "common examples" of heade

Re: Question on DKIM signature

2021-08-16 Thread raf
On Mon, Aug 16, 2021 at 03:38:01PM +0200, Matus UHLAR - fantomas wrote: > On 16.08.21 21:11, Ken N wrote: > > Thank you for providing the details. > > That make things clear. > > > On 2021/8/16 6:26 下午, raf wrote: > > > DKIM signatures should include the entire body, and > > > some headers. The