[Pkg-exim4-users] Why the DKIM-Signature header isn't created when a mail is relayed to the smarthost ?

[Andreas Metzler]

Satoru Otsubo <trnsnt at otip.jp> wrote:
[...]
> Internet<---Smarthost<---Exim4 server machine---(Lan)---a host(a.b.c.d)

> I use Dynamic IP address to connect to the internet.
> Therefore, I use the Exim4 server with configtype of 'mail sent by
> smarthost; received via SMTP or fetchmail' in order to avoid op25b,
> as follows:
[...]

> I want to sign, with DKIM, emails which start directly from the
> Exim4 server machine or come from the host(a.b.c.d) and which are
> relayed to the smarthost,

Hello,
the shipped configuration does not support DKIM signing on the
remote_smtp_smarthost transport. - You wwould need to modify the
transport.

> in order for the emails not to be interpreted as spam mail.
[...]

I doubt whether the added DKIM signature will have any significant
effect on this.

cu andreas
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