Instructions for obtaining a personal S/MIME certificate by creating a CSR
Description of the manual process of obtaining an S/MIME certificate for email security, using a Certificate Signing Request (CSR) generated by Thunderbird.
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Windows in S mode won't let me install Firefox
You cannot install Firefox from Mozilla or from the Microsoft Store on Windows in S mode. You must first switch out of S mode. Learn more.
S PROBLEM
HOW DO I GET RID OF THE S FEATURE WHEN OPENING FIREFOX? IT INHIBITS OPENING FEATURE.
How to select a Thunderbird release channel
How to determine which Thunderbird release channel(s) to use: ESR, Release, Beta or Daily
Duplicate instances of same email address with different ID#s
While trying to locate the ID#s for all 15 different email accounts managed by my TB desktop app, I discovered that there are two instances of a gmail account, but with different ID#s (although only one appears in my home screen). I've found no way of determining which one is valid, and I can't risk losing my main gmail account if I try to delete one and choose the wrong one. Does anyone have any ideas I might try, to determine which one is the "extra" and how this happened? I've tried looking at the source code for emails in that account, but can't find any ID# referenced there.
Copy Links - include non-HTTP(S) URLs
Hi, it looks like Firefox can copy links from selected tabs, using right-click menu. It doesn't work for non HTTP(S) addresses though, such as "file:///C:/Users/USER/etc." Is it possible for non HTTP(S) addresses? The add on Export Tabs URLs by AL is very good, has the option for non HTTP(S) addresses, but I couldn't get it to work for selected tabs, is it possible for selected tabs?
S/MIME Class 1
2026-04-25 SAT 14:45 BST I have boujht a DigiCert S/MIME Class 1 certificate from thesslstore, but I have not yet got it. They sent me 3 .crt files, but I have not understood how to use them. I hope someone can explain the problem and/or suggest what I can do about it please ? I do not remember having this sort of problem in previous years.
PKCS # 12 operation failed for unknown reason when importing an S/MIME client certificate
I successfully imported the self-signed CA certificate into thunderbird. Then I tried to import the p12 S/MIME client certificate and this error message popped up (cf. screenshot below). However, I checked the client certificate and it seems fine: # openssl pkcs12 -in smime-client-certificate.p12 -info -noout Enter Import Password: MAC: sha256, Iteration 2048 MAC length: 32, salt length: 8 PKCS7 Encrypted data: PBES2, PBKDF2, AES-256-CBC, Iteration 2048, PRF hmacWithSHA256 Certificate bag PKCS7 Data Shrouded Keybag: PBES2, PBKDF2, AES-256-CBC, Iteration 2048, PRF hmacWithSHA256 # pk12util -l smime-client-certificate.p12 Enter password for PKCS12 file: Certificate(has private key): Data: Version: 3 (0x2) Serial Number: 1 (0x1) Signature Algorithm: PKCS #1 SHA-256 With RSA Encryption Issuer: "..."
Deleting unwanted folder/s
Unable to delete unwanted folder visible alphabetically under inbox. I've right clicked on it and selected delete but nothing happens!
Can you turn off CTRL+SHIFT+S for tsaving the screen as it's something I use a lot, thanks.
The shortcut change feature in Firefox does not have an option to disable CTRL+SHIFT+S shortcut function that saves the screen. Is it possible to disable tor change the shortcut. Very frustrating. Thank you.