NASIL ? 5.7.1 Recipient not found processed as Soft Bounce

[XC_Robot]

This clearly should be a hard bounce:

Code:

Action: failed
Final-Recipient: rfc822; xxx@tutanota.com
Diagnostic-Code: smtp; 550 5.7.1 <xxx@tutanota.com>: Recipient address rejected: Recipient not found
Status: 5.7.1

Okumaya devam et...