# email.errors.HeaderParseError

- **ID:** `python/email-errors-headerparseerror`
- **Domain:** python
- **Category:** encoding_error
- **Verification:** official
- **Fix Rate:** 80%

## Root Cause

Email header could not be parsed. Malformed or non-standard header format.

## Version Compatibility

| Version | Status | Introduced | Deprecated |
|---------|--------|------------|------------|
| 3.x | active | — | — |