In reply to end of data command 550

- 550 high probability of spam in reply to end of data command
- 550 5.7 1 command rejected in reply to end of data command
- 550 5.7 1 message rejected in reply to end of data command
- 550 5.7 0 local policy violation in reply to end of data command
- 550 5.7 0 message size violation in reply to end of data command
- Said 550 5.7 1 command rejected in reply to end of data command
- Said 550 high probability of spam in reply to end of data command
- 550 header syntax in reply to end of data command
- 550 administrative prohibition in reply to end of data command
- 550 5.7.1 message content rejected (in reply to end of data command)
- 550 5.7 1 policy reason in reply to end of data command
- 550 5.7 1 message content rejected in reply to end of data command
- 550 mail was identified as spam in reply to end of data command
- 550 pubkey_unavailable in reply to end of data command
- 550 rejected content policy in reply to end of data command