12 Mar 24 Receiving system administrator undelivered messages since 11 Mar 24
Initially: Sorry your email could not be delivered due to content policy reasons. Please check your message content for URLs, content and subject matter that could be construed as Malware, Spam or Phishing before retrying. (6-1-1-1) ID (65A566C206D3E65D) [Err code: 553]
Now: 550 spam, or phishing or malware. Please check or edit your message and try sending it again. (6-1-1-2) ID (65A567CD06E69AED)
I have been using outlook and BT Webmail for years to distribute documents/newsletters etc to my club members. Why has this started to happen again? From my limited research it seems to have been going off and on for at least the past 3 years with no solution provided. It is extremely frustrating and wasting my time. Help!!