Subject: Returned mail: see transcript for details
From: Mail Delivery Subsystem <[email-masked]>
To: <[email-masked]>
Date: Wed, 16 Nov 2022 02:37:00 +0100

The original message was received at Wed, 16 Nov 2022 02:36:58 +0100
from [108.170.60.122]

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>
    (reason: Insufficient permission)

   ----- Transcript of session follows -----
Quota exceeded (mailbox for user is full)
550 5.0.0 <[email-masked]>... Insufficient permission