B2C Data

Now. let's explore these codes in detail Enhanced SMTP Bounce Codes In the three-number SMTP bounce codes. the first digit represents the delivery class X.X signifies successful delivery X.X denotes issues in delivery temporarily X.X refers to permanent issues The second digit pinpoints where things go wrong. For example In X.X. the '' indicates an addressing issue X.X represents an issue with the mailbox X.X denotes a mail system issue The third digit provides further detail on the specific issue. For example. means there’s a temporary failure. or the host isn’t answering.

Here’s a comprehensive email bounce code list for enhanced SMTP bounce codes Email Bounce Code Description Successful delivery Temporary failure No answer from the host Temporary failure Mailbox busy Temporary estonia phone number list failure Mail system full Temporary failure Network congestion Permanent failure Bad destination email address Permanent failure Mailbox disabled. not accepting messages Permanent failure Mail system full Permanent failure Network congestion Permanent failure Protocol error.


Traditional SMTP Bounce Codes Here’s a comprehensive email bounce code list for traditional SMTP bounce codes Email Bounce Code Description Service not available. closing transmission channel Requested mail action not taken mailbox unavailable Requested action aborted error in processing Requested action not taken insufficient system storage Syntax error in parameters or arguments Permanent failure Bad destination email address Command not implemented A bad sequence of commands The user's mailbox was unavailable/invalid Transaction Failed How to Interpret Email Bounce Codes? It is next to impossible to memorize the entire server lingo and remember every code and its description.