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The original was posted on /r/protonmail by /u/hobbes444 on 2023-09-26 15:07:37.
TL;DR
“from:”, “-from:”, “to:”, “label:”, “-label:” etc. search operators in web app
Background
Zero knowledge email means that email body search is not possible in Proton Mail (I won’t start the searchable symmetric encryption debate here, it’s a whole other question). Downloading emails locally is an option offered by Proton Mail, although it has some limitations.
But knowing search is a weak point of the product, I would expect Proton is doing everything they can to compensate for it.
Search operators are in my eyes a relatively low effort way to improve the search UX.
I know the functionality of some of these operators can be achieved via the web app GUI (click search field, click “more options”), but a/ typing “from:xyz” in the search field is so much faster, and b/ some of these search operators are simply not yet possible (labels, subject…)
Feature request
- All operators should be negatable. (e.g., “from header does NOT contain xyz”)
- Nice to have: all operators should be usable in a “matches exactly” mode instead of “contain” mode (except the folder one, this one I feel should always be “matches exactly”)
* from header contains / does not contain * to header contains / does not contain * cc header contains / does not contain * to or cc header contains / does not contain * subject contains / does not contain (search string must be protected, to allow including spaces and non-alphanumerical ascii characters in general) * label contains / does not contain * is / is not in folder xyz