Prolateral Consulting Ltd
Prolateral Consulting Ltd
Knowledgebase: outmail
SMTP 5.7.1 Error when sending an email


SMTP 5.7.1 Error when sending an email, What does it mean?


SMTP 5.7.1 Error message indicates the recipient may have mailbox restrictions which mean the delivery of your email is not permitted.


(169 vote(s))
Not helpful

The Origin of this information may be internal or external to Prolateral Consulting Ltd. Prolateral makes all reasonable efforts to verify this information. However, the information provided in this document is for your information only. Prolateral makes no explicit or implied claims to the validity of this information. Any trademarks referenced in this document are the property of their respective owners.