Email error codes for Email Security.cloud

Products

• Email Security.cloud

Issue/Introduction

Learn how to interpret common codes that affect Symantec Email Security.cloud clients, including:

• Email error codes
• Email bounce back messages

Cause

Email bounce backs occur when an email is sent to an Email Security.cloud client, and a rule is triggered by the email recipient's configuration.

Resolution

Review the appropriate article for the message you're receiving for more information:

• 450 Requested action aborted (4)
• 450 Requested action aborted (9)
• CHECK: 460 too many messages
• 501 Connection rejected by policy (7.1)
• 501 Connection rejected by policy (7.2)
• 501 Connection rejected by policy (7.7)
• 550 Requested action aborted (4)
• 550 Invalid recipient
• 553 - sorry, your envelope sender is in my badmailfrom list
• 553-SPF (Sender Policy Framework) domain authentication fail
• 553-Message filtered
• 553 – you are trying to use me as a relay
• Sorry, your email/domain/IP address has been blacklisted
• I have not yet been able to deliver your message
• Recipient mailbox is not allowed
• You are trying to use me [server-x.tower-xx.messagelabs.com] as a relay

Additional troubleshooting

• Symantec.cloud customers: Log in for additional troubleshooting options.
• Non-Symantec.cloud customers: For more information on why your email was blocked by Symantec services, see Emails sent to a Symantec.cloud customer are not being delivered..