Re: [exim] DKIM: validation error: LONG_LINE

On 21/04/2021 19:59, Wayne via Exim-users wrote:
> 2021-04-21 14:34:48 1lZDwB-0003pb-TY DKIM: validation error: LONG_LINE
> 2021-04-21 14:34:48 1lZDwB-0003pb-TY DKIM: Error during validation, disabling signature verification: LONG_LINE
> 2021-04-21 14:34:48 1lZDwB-0003pb-TY <= XXXXXXXXXX@XXXXXXXXXXX H=XXXXXXXXXXXXX (PowerXpert-00-20-85-FC-86-BE) [X.X.X.X] P=esmtp K S=1684783 id=0_0d_-1_1032
> 2021-04-21 14:34:49 1lZDwB-0003pb-TY DKIM: signing failed: LONG_LINE
> 2021-04-21 14:34:50 1lZDwB-0003pb-TY => XXXXXXXXXXX@XXXXXXXXXXX R=dnslookup T=remote_smtp S=1703743 H=XXXXXXXXXXX.mail.protection.outlook.com [104.47.61.36]:25 X=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256 CV=yes K C="250 2.6.0 <0_0d_-1_1032> [InternalId=23656679878773, Hostname=DM6PR12MB4747.namprd12.prod.outlook.com] 1711342 bytes in 0.383, 4354.433 KB/sec Queued mail for delivery" DT=1s
> 2021-04-21 14:34:50 1lZDwB-0003pb-TY Completed

A line in the message is overly long. The maximum line length that MTAs must
support is dictated by standards.
--
Cheers,
Jeremy