What are the best bounce analysis tools?

Bounce analysis tools and approaches:

ESP reporting:

Most ESPs categorize bounces

Hard vs soft distinction

Provider breakdown

Trend charts

Log analysis:

SMTP log parsing

Error code extraction

Pattern identification

Specialized tools:

Bounce code databases

Provider-specific code lookup

Automated categorization

Analysis focus:

New error types appearing

Provider-specific patterns

Correlation with sending changes

Volume and timing patterns

Cargo rejection notices analyzed systematically reveal root causes.