On Tue, Nov 23, 2021 at 06:39:04AM -0700, Ben Franklin via Exim-users wrote:
> 2021-11-23 04:41:56.239 [23354] H=mail-oi1-f171.google.com [209.85.167.171]:47047 I=[123.456.789.012]:25 sender verify defer for <arthurbanana@???>: host lookup did not complete
...
> What does this mean? Does it mean that exim (which serves
> 123.456.789.012) can't verify arthurbanana@????
Yes, message "host lookup did not complete" means Exim did not get answers
from DNS for "gmail.com". So it could not proceed with sender verification.
--
Eugene Berdnikov