Re: "SPF no-mail record" clashing with reject_unknown_recipient_domain

2019-10-28 Thread Ehlers, Y.W. (Ydo)
Wietse, you're absolutely right. I thought I checked my findings correctly, but I missed this one. I'll direct my attention to my networking colleagues for a properly configured DNS server. Ydo Ehlers On 28-10-2019 12:11, Wietse Venema wrote: > Ehlers, Y.W. (Ydo): >&

"SPF no-mail record" clashing with reject_unknown_recipient_domain

2019-10-28 Thread Ehlers, Y.W. (Ydo)
Dear postfix users, admins and guru's. Today I was alerted to a new 'problem'. As I was unable to find any information on it online, I decided to present it to you.. An important application we run has, unfortunately, an internal mail-queuing system that is, to say the least, sub-optimal. A t