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Messaging Error Definitions (article)

Bad-Domain – The domain email address is incorrect, i.e., what is after the "at" symbol (@).

Bad Mailbox – The email box is invalid.

DNS – Do Not Send. The client is on the no send list - The Do Not Send list is a list compiled under your account for whenever a recipient clicks on the unsubscribe button. This in turn puts that specific email address on the DNS list.

Other – The messaging service SMTP connected with the recipient's SMTP however, the connection was made for 5 minutes without a confirmation.

Policy Related – The email passed through the spam filter but was stopped by the recipient's email box settings.

Content Related – The email was blocked due to some of the content in the body of the email.

Relaying Issues – The messaging service SMTP service had trouble connecting to the recipients SMTP service

Routing Errors – The messaging service SMTP service made the connection to the recipients SMTP service but the email packet was unable to be delivered correctly to the mailbox

Spam Related – The email was blocked by the recipients SMTP’s spam filter.

Bad Configuration - The messaging service SMTP service made the connection to the recipients SMTP service but the email packet could not be delivered correctly to the mailbox

Bad connection - The messaging service SMTP service made the connection to the recipients SMTP service but the email packet was dropped due to a poor connection

Domain DNS - The entire domain @domain.com has been added to your DNS list or is on the globally blocked domain DNS list.

Inactive mailbox - Client's SMTP Server has answered and told the messaging service email server that the email is no longer active.

Message expired – The messaging service SMTP service connected with the recipient's SMTP service and there was sending for 5 minutes and the recipient's SMTP service closed its connection due to inactivity.

No answer From host – After the system default number of attempts and after client specified resends, the recipient's SMTP service did not answer the messaging service SMTP service.

Quota-Issues - The Client's email box has a size limit set and they have received too many emails in the box and cannot receive more emails.

Hard Bounces are:

DNS

Inactive Mailbox

Bad-Domain

Domain DNS

Bad-Mailbox


Soft Bounces are:

Policy-Related

Quota Issues

Bad Connection

Routing Errors

Other

No answer from host

Bad Configuration

Content Related Relaying-Issues

Message expired

Spam Related

Routing-Issues

Bad Connection Spam-Related

Bad Configuration

 

 

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