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② 後台搜尋「Captvane – Captcha Errors & Lost Form Leads」→ 直接安裝（推薦）
原文外掛簡介
Captvane reads the answer your form’s captcha already got and tells you the real reason a message was refused: a broken key, no answer from the captcha service, or a captcha that never loaded, where the form’s own log may only say “low score”. It keeps a 30-day copy of the messages the captcha could not check, and of those the form accepted but could not e-mail to you, so you can still reply. It changes nothing by itself and sends nothing anywhere.
Captvane does not connect to any external service: it reads the answers your form’s captcha already received, everything happens on your site, and its e-mails go through your site’s own mailer.
How Captvane is different
It reads the answer your form’s captcha already got, so your form works exactly as before.
It names the real reason a message was refused: a broken key, no answer from the captcha service, or a captcha that never loaded.
It keeps a 30-day copy of the messages the captcha could not check and of those the form could not e-mail to you, and sends nothing anywhere.
reCAPTCHA not working? See the captcha error in plain words
Captvane’s screen answers one question first: is your form’s captcha working? Below the answer, each form’s last 7 and 30 days: checks, low scores, messages the captcha could not check and e-mails that failed. The latest reCAPTCHA error or captcha error is said in plain words: what happened, what it means and how to fix it.
Contact Form 7 reCAPTCHA: why your contact form refused a message
For Contact Form 7, Captvane files every message your contact form refused under its real cause: a low score, a broken key, no answer from the captcha service, a captcha that never loaded, an answer that was spent or expired, or something other than the captcha. It works as a spam log that says why: for each form, the low scores, the messages the captcha could not check and the e-mails that failed are counted apart, and the latest problem is shown with its fix.
Form submissions not received? A 30-day copy of the messages at risk
When the captcha cannot check a message, because its key is broken, the captcha service did not answer or the captcha never loaded, the form refuses a real person, and that lead is lost unless someone sees it. Captvane keeps a 30-day copy of each of those messages, and of a message the form accepted but could not e-mail to you, so you can still reply; you can keep copies for fewer days in its Settings tab. A low score is counted, never copied.
reCAPTCHA quota: this month’s checks
Captvane counts this month’s captcha checks on this site for each captcha service, beside the free reCAPTCHA limit on Google’s own quota page, linked and dated, and tells you when Google says the site is over it.
Office 365 SMTP: the mail sign-in check
Captvane shows how your site sends its e-mail: the kind of mail server, its port and encryption and the kind of sign-in, such as SMTP AUTH with a password, never the user name or the password. If your site signs in to Microsoft 365 (Office 365, Outlook) with a user name and password, it shows Microsoft’s announcement of a change to that sign-in in Microsoft’s own words, linked and dated, and what you can do. One button sends a test e-mail to your own address, the way your site sends every e-mail.
Switch from reCAPTCHA to Cloudflare Turnstile, with an Undo
If your forms are Contact Form 7 forms checked by Google reCAPTCHA, Captvane can switch them to Cloudflare Turnstile, Cloudflare’s free captcha, when you press one button. You paste Cloudflare’s keys into Contact Form 7 yourself; Captvane first shows the one setting that changes, and keeps an Undo for 30 days. It installs nothing, edits no form and keeps no copy of Cloudflare’s keys. The words of Cloudflare’s it quotes on that screen are from Cloudflare’s pages Cloudflare Turnstile and Plans (both updated 2026-08-14, read 2026-10-25).
Know when your form’s captcha stops working
If you turn it on, Captvane sends you an alert by e-mail when your contact form refused messages the captcha could not check, or could not e-mail you a message it accepted: what happened, how to fix it, and a link to Captvane’s screen. At most one e-mail a day for each problem, to the addresses you choose, through your site’s own mail. It is off until you turn it on.
One notice, only after a captcha error
Outside its own screen Captvane shows one notice, and only when a captcha error was actually seen in the last 7 days: it names the fix and links to Captvane’s screen. Close it once and it stays closed for you.
Works with your form plugin and your captcha
Contact Form 7: every refused message with its reason, and the copies. WPForms Lite, Forminator, Fluent Forms and Ninja Forms, and WordPress’s own login and comment forms: their captcha checks counted, with the latest error in the captcha service’s own words. Captvane reads the answers of Google reCAPTCHA, Cloudflare Turnstile and hCaptcha.
