How to send encrypted emails - how to obtain the keys from signed emails

I ask a person to send me a signed email so that i can send them an encrypted email. How is this process supposed to work in thunderbird? I receive a signed email, what n… (читати далі)

I ask a person to send me a signed email so that i can send them an encrypted email. How is this process supposed to work in thunderbird? I receive a signed email, what next? Clearly, thunderbird sees the signature but does not add the public key to the contact. This is in contradiction with [page] that states: The standard way of distributing a person's certificate is to send a digitally signed email. If you have received a signed email from your correspondent, click the email to view it. If Thunderbird considers the email's signature and the sender's certificate valid, it will automatically be imported and available when you attempt to encrypt an email to that correspondent using the S/MIME technology. If you don't have a signed email from your correspondent yet, you could ask them to send a digitally signed email to you.

Note that certificates issued by CAs may have a short validity period. Certificates are no longer usable after the validity period has expired. In that case your correspondent will have to obtain a new certificate. Once that happened they will be able to send you a new digitally signed email with a valid certificate.

Organizations that operate an LDAP server may configure their server to store S/MIME certificates. If an LDAP server is configured, Thunderbird may automatically query the LDAP server if it needs to obtain a S/MIME certificate.

To review the list of S/MIME certificates that you already have, you can use Thunderbird's Certificate Manager.

The certificate shows that it is valid, yet, clicking reply gives "key issues" which shows no key available. Similarly, if I sign an email with pgp key and send it, thunderbird sees that it is signed but tells me that i need to obtain public pgp key. So it seems that signatures and encryption are completely unusable.

Запитання від leosenko 1 день тому

Остання відповідь від leosenko 51 хвилина тому

block POPup not working on the latest version of firefox.

On a site which has a popup on click, that's not blocking by the latest version of the browser. Have checked all settings and cleared cached data. Didn't solved the probl… (читати далі)

On a site which has a popup on click, that's not blocking by the latest version of the browser. Have checked all settings and cleared cached data. Didn't solved the problem.

Запитання від Net Bug 3 години тому

Auto-fill settings missing

I cannot find the auto-fill options in settings. Within settings I have found autofill for bank cards, but that is the only option. I am trying to turn on autofill person… (читати далі)

I cannot find the auto-fill options in settings. Within settings I have found autofill for bank cards, but that is the only option. I am trying to turn on autofill personal details such as address etc.

Please help!

Запитання від jamiecmore 5 годин тому

Browsing historiy

I recently deleted the complete browzing history but now no matter what I try, It will no longer save any browsing history. what can I do to recover back to saving it? … (читати далі)

I recently deleted the complete browzing history but now no matter what I try, It will no longer save any browsing history. what can I do to recover back to saving it?

Запитання від larman.brian 6 годин тому

Firefox problem

I have been using Firefox for years. Recently the site locks up and I have to close Firefox via task manager. Is there a fix. I am a Microsoft user. Other browsers like E… (читати далі)

I have been using Firefox for years. Recently the site locks up and I have to close Firefox via task manager. Is there a fix. I am a Microsoft user. Other browsers like Edge do not freeze’

Запитання від stan.podwin 12 годин тому

Thuderbird stopped working

Thunderbird stopped working. I received the following message - "Add Security Exception You are about to override how Thunderbird identifies this site. Legitimate banks,… (читати далі)

Thunderbird stopped working. I received the following message - "Add Security Exception You are about to override how Thunderbird identifies this site. Legitimate banks, stores and other public sites will not ask you to do this. Location: smtp.optusnet.com.au:25 This site attempts to identify itself with invalid inforation The certificate belongs to a different site, which could mean that someone is trying to impersonate this site

Permanently store this exception"

I have clicked on 'Confirm Security Exception" but I still can't send or receive emails.

Запитання від edbev 23 години тому

There is a robot on the same network (IP 24.126.194.0) as you.

Something about the behaviour of the browser has caught our attention. There are various possible explanations for this: You are browsing and clicking at a speed much f… (читати далі)

Something about the behaviour of the browser has caught our attention.

There are various possible explanations for this:

You are browsing and clicking at a speed much faster than expected of a human being.
Something is preventing JavaScript from working on your computer.
There is a robot on the same network (IP 24.126.194.0) as you.

Any suggestions?

Запитання від Aron Pilcher 1 день тому

High CPU usage on semaphore.social.

Semaphore.social is a mastodon/fediverse web client. I've been using it without issue up to now and it has not updated recently. After a few hours running the CPU usage … (читати далі)

Semaphore.social is a mastodon/fediverse web client. I've been using it without issue up to now and it has not updated recently.

After a few hours running the CPU usage of Firefox becomes very high (25-50%) and the about:performance shows that it is due to this tab, which shows at values from 110 to 160% or thereabouts.

I haven't noticed this before updating to Firefox 134.0 so I suspect it may be a Firefox regression.

However I cannot work out what the cause is, how to fix it, or if I should file a bug on it.

Any ideas on how I can fix this?

Запитання від david517 2 дні тому

bounce selected email addresses

The increasing volume of spam is getting annoying. If I filter spam messages they get put aside, and that doesn't hurt the spammer. What I would like is a reject option … (читати далі)

The increasing volume of spam is getting annoying. If I filter spam messages they get put aside, and that doesn't hurt the spammer. What I would like is a reject option so that the spammer gets a bounced email. that will really annoy him and perhaps 'encourage' him to not spam me.

Запитання від John Bennett 3 дні тому

Остання відповідь від John Bennett 2 дні тому

Thunderbird crashes when trying to open settings

I tried to open settings because I need to change account passwords. As soon as I open settings Thunderbird crashes after showing the settings page for half a second. Lat… (читати далі)

I tried to open settings because I need to change account passwords. As soon as I open settings Thunderbird crashes after showing the settings page for half a second. Latest Thunderbird version under latest windows 11 version. Anyone else has this problem? Restarting the PC (miracle cure for problems under windows) did not solve the problem. Anyone else has this? Anyone knows a solution?

I cannot access my accounts passwords, so the problem is rather worrisome and urgent.

Запитання від paul.klemann 5 днів тому

Остання відповідь від paul.klemann 3 дні тому

Allowing Remote Images in the Android App

How do I allow remote images in the Android app version of T-Bird? I have the 'allow remote content in messages' selected in the settings in my desktop app, but I can't … (читати далі)

How do I allow remote images in the Android app version of T-Bird?

I have the 'allow remote content in messages' selected in the settings in my desktop app, but I can't find any way to allow them on my phone.

Запитання від Steve2526 5 днів тому