Am 19.06.21 um 16:21 schrieb Kevin N.:> Going through my mail logs I noticed that a couple of messages from the Dovecot mailing list failed DKIM validation. > > For example, this one has failed: https://markmail.org/message/te7tycmpiutw4kiadovecot.org use mailman-2.1.15 which is "a little bit (~9 years)" behind latest 2.1.34 Older version of mailman are know to modify some messages which break DKIM. That may be the reason for your observation. BTW: the ARC-Seal added by dovecot.org is invalid here, too Andreas
Oh, I see. Thanks for the clarification Andreas. On 20/06/2021 00:58, A. Schulze wrote:> > > Am 19.06.21 um 16:21 schrieb Kevin N.: >> Going through my mail logs I noticed that a couple of messages from the Dovecot mailing list failed DKIM validation. >> >> For example, this one has failed: https://markmail.org/message/te7tycmpiutw4kia > > dovecot.org use mailman-2.1.15 which is "a little bit (~9 years)" behind latest 2.1.34 > Older version of mailman are know to modify some messages which break DKIM. > > That may be the reason for your observation. > > BTW: > the ARC-Seal added by dovecot.org is invalid here, too > > Andreas >
On 2021-06-19 23:58, A. Schulze wrote:> the ARC-Seal added by dovecot.org is invalid here, toono one fix mailman, but atleast it can do ARC ?
> On 20/06/2021 00:58 A. Schulze <sca at andreasschulze.de> wrote: > > > Am 19.06.21 um 16:21 schrieb Kevin N.: > > Going through my mail logs I noticed that a couple of messages from the Dovecot mailing list failed DKIM validation. > > > > For example, this one has failed: https://markmail.org/message/te7tycmpiutw4kia > > dovecot.org use mailman-2.1.15 which is "a little bit (~9 years)" behind latest 2.1.34 > Older version of mailman are know to modify some messages which break DKIM. > > That may be the reason for your observation. > > BTW: > the ARC-Seal added by dovecot.org is invalid here, too > > AndreasCan you give any more insight on why it's invalid? Last time I checked the ARC-Seal was fine. Aki