Mark - adjusting this setting in mailman.cfg seemed to do the trick. No
more errors and postfix is able to send mail out to our Amazon SES relays
just fine now.
Thank you,
On Mon, Mar 10, 2025 at 6:57 PM Mark Sapiro wrote:
> On 3/11/25 7:06 AM, Jose Bernal via Mailman-users wrote:
> >
> > Here
On 3/11/25 7:06 AM, Jose Bernal via Mailman-users wrote:
Here is the message. We've got several thousand log entries like this now:
*554 Transaction failed: Duplicate header 'DKIM-Signature'*
Mar 10 08:31:10 mail1 postfix/smtp[217753]: 738B53F15E: to=<
br...@brianmichaelslaw.com>, relay=xxx.or