On October 5, 2014 8:47:17 PM "A. Schulze" wrote:
To be complete: there is an easy way to invalidate DKIM-Signatures:
don't announce SMTP extension 8BITMIME ...
Bingo, make postfix disable this before msg is sent to opendkim signer, so
it not signed 8bitmime, then downstream mailserver would
A. Schulze:
> smtp_note_content_recode (default: no)
> Log the hostname of a remote SMTP server that does not offer 8BITMIME,
> and the content must be recoded.
>
> That way an administrator could at least notice if the well formated
> and signed messages
> must be recoded to be sent t
On 10/05/2014 08:47 PM, A. Schulze wrote:
>> Do you have a so-called security appliance in the path? Many have
>> a history of tampering with email.
>
>> Do you have other anti-spam software in the path that modifies
>> mail headers such as X-Spam:?
>
> To be complete: there is an easy way to inv
wietse:
Do you have a so-called security appliance in the path? Many have
a history of tampering with email.
Do you have other anti-spam software in the path that modifies
mail headers such as X-Spam:?
To be complete: there is an easy way to invalidate DKIM-Signatures:
don't announce SMTP
