fix: handle Proton Bridge IMAP response format in _batch_fetch_headers#112
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Wh1isper merged 1 commit intoai-zerolab:mainfrom Feb 14, 2026
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Proton Bridge returns UID in a separate item after header data:
- [i] = b'N FETCH (BODY[HEADER] {size}'
- [i+1] = bytearray(headers)
- [i+2] = b' UID xxx)'
This adds a fallback to check for UID in data[i+2] when not found in data[i].
Related to ai-zerolab#87 (Proton Mail Bridge compatibility)
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Summary
list_emails_metadatareturns empty emails list despite showing correct total countProblem
When using Proton Bridge, the IMAP FETCH response for
BODY.PEEK[HEADER]returns the UID in a separate item after the header data, rather than in the same line:Standard format:
[i] = b'N FETCH (BODY[HEADER] {size} UID xxx)'[i+1] = bytearray(headers)Proton Bridge format:
[i] = b'N FETCH (BODY[HEADER] {size}'[i+1] = bytearray(headers)[i+2] = b' UID xxx)'Solution
Added a fallback in
_batch_fetch_headersto check for UID indata[i+2]when not found indata[i].Testing
Tested with Proton Mail Bridge v3.x on macOS. The fix is backwards-compatible with standard IMAP servers.
Related to #87