Productivity & PKM
Webapps Stack Exchange · 2025-04-20
Spam hides in the BCC field — and Gmail can't filter on it
垃圾邮件都藏在『密送我』里：Gmail 竟然不能按 bcc 过滤
At a glance · 30-second read
- WhoWebapps Stack Exchange · 2025-04-20 · 1 upvotes
- The askSpam hides in the BCC field — and Gmail can't filter on it
- The openingA Gmail filter booster: Apps Script/add-on that auto-archives 'I'm the only bcc recipient' mail. Free core, paid rule packs.
What was actually said
“I get spam Gmail doesn't detect; they all share one trait — I'm bcc'ed and not a visible recipient. Can I filter mail where I'm bcc'ed?”
— Webapps Stack Exchange · 2025-04-20 · webapps.stackexchange.com/questions/181148/is-it-pos…
Background and pain
The pain
BCC-spam slips past Gmail's filters; 'I'm not a visible recipient' is inexpressible in Gmail filter syntax, so it's manual deleting forever.
A buildable angle
The opening
A Gmail filter booster: Apps Script/add-on that auto-archives 'I'm the only bcc recipient' mail. Free core, paid rule packs.
How to validate it
- Read the whole thread and note the recurring scenarios — repetition is the density of the need.
- Search existing tools around "gmail / spam" and check which single step they actually cover.
- Put up a one-line landing page, share it back to Webapps Stack Exchange, and see whether anyone asks about pricing.
Existing options
Gmail 原生过滤器第三方反垃圾
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