[StAPF] Delivery Status Notification (Failure)
The following message to <praesident(a)hs-kl.de> was undeliverable.
The reason for the problem:
5.1.2 - Bad destination host 'DNS Hard Error looking up mail.hs-kl.de (MX):
NXDomain'
Attachments:
- attachment.nws (message/rfc822 — 4 Bytes)