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Voilà le message d'erreur quand je veux envoyer un mail ou transferer un mail L’envoi du message a échoué. Une erreur est survenue lors de l’envoi de l’e-mail. Le serveur a répondu : DfERwzp30T90v Mail rejete. Identifiant et adresse mail appartiennent a 2 utilisateurs differents. OFR203_528 [528]. Veuillez vérifier le message et essayer à nouveau. C'est récurrent et l 'adresse n' appartient pas 2 utilisateurs différents Je suis obligée d 'envoyer de mon portable où je n'ai pas de soucis Cordialement

How to export all opened tabs including non-active in android firefox 149.0.2 ? this capability was available in previous versions but seems now hiddenly deleted. any workaround did not help: couple of extebsion couldn't save all as-considered opened tabs properly - only those actually loaded to ram. https://github.com/nbeaver/save-tabs-firefox-for-android

I was browsing for vacant jobs in LinkedIn and ended up on this page: https://www.linkedin.com/jobs/view/4400116024/?trackingId=&refId=&midToken=AQHkKqfITpiwdw&midSig=2f8JsuceFtMYc1&trk=eml-email_jobs_application_rejected_01-similar_jobs-0-similar_job&trkEmail=eml-email_jobs_application_rejected_01-similar_jobs-0-similar_job-null-g3nlj~mo2hn6z8~of-null-null&eid=g3nlj-mo2hn6z8-of&otpToken=MTAwMjFlZTQxNjJhYzljM2JlMmYwMmVkNDAxYWU3YjA4NmNiZDQ0MzlkYWQ4NTZjNzljMTAxNjg0ZjU4NWZmM2YzZGZiN2JjNTVjNWZjZTc3YjhmZDg3ZWQ5YTExZWUyMDg1N2Q1YzI4OGNjNDU0MjU3YTEsMSwx But pressing the Apply button, did not take me to the application page, but instead a page that was saying: "Be careful. Something doesn’t look right. Firefox spotted a potentially serious security issue with jobs.tuvsud.com. Someone pretending to be the site could try to steal things like credit card info, passwords, or emails." And there was no option to ignore this and just go to the site??? I needed to open MS Edge instead, to be able to apply for the job???

I have been using Google Chrome for years having set it up to open the same 8 Tabs and several bookmarks. What I liked about it was that no matter what PC I went to once I logged into Chrome I was given the same confiuration across several PCs including Linux which I am gradually moving to. However to date I just cannot get my other PC's whether Linux or Windows to do the same. What I want to know is that can I open Firefox on any other PC, login and and get the same configurantion automatically? .

Hallo, zum wiederholten Male hat sich meine Firefox Startseite verändert und meine angelegten Tabs in der Linken Spalte sind verschwunden. Ich habe die Tabs sorgfältig angelegt und wenn Sie mir diese Einstellungen nicht wieder anlegen können, dass wechsle ich meinen Browser, weil das sehr nervig ist und unangenehm! Freundliche Grüsse, Wilfried Schlachter

I have no idea what's causing this, but recently video playback on every website keeps breaking. I have to go into my phone's settings and delete the cache from there, or uninstall and reinstall Firefox completely to fix it. But it only fixes it temporarily. Everything else seems to work fine, but video players just... don't work at all after a while.

I assume Mozilla developers are working on this?

https://singularityhub.com/2026/04/10/anthropics-mythos-ai-uncovered-serious-security-holes-in-every-major-os-and-browser/

Quote from the article

"Its capabilities are a step change from the previous best models. Given the challenge of attacking the Firefox web browser’s JavaScript engine, Anthropic’s previous most powerful model Opus 4.6 succeeded just twice, compared to 181 times for Mythos. Most worryingly, the team found that engineers with no security background could use it to develop successful attacks overnight."

When I try to install my account Office 365 for my association's account (XXXX@patapon95.fr) it doesn't word with Thunderbird (I can connect on Outlook on the same account). I can also connect with my personnal acount on xxxx@outlook.fr on Thunderbird.

Hello,

the website I log in for internet banking (https://www.sparkasse-rhein-maas.de/de/home.html) is shown as written in brackets when opened in Edge, but as www.sparkasse-rhein-maas.de/de/home.html when I open it in firefor. And Firefox tells me it's not safe when I want to log in.

BUT - as I've only just discovered when I copied and pasted it in here - when copied it shows as https://www.sparkasse-rhein-maas.de/de/home.html, so safe after all? How can that be? I hope there's a good explanation.

Thanks in advance Bettina

Hi, I have firefox on my desktop, and I want to watch the "10 App" - which is an Australian broadcasting tv channel - but it keep saying " an ad blocker is stopping the app from working" I also tried their website, and the same thing happens. I tried to check the extensions there is no ad blocker ! can you please advise me how to add permission to this particular app/website. ? and where do I find this adblocker ? thanks.

突然、どこにもメールの送信ができなくなってしまいました。 受信はできます。 KDDIを使っていますが、問い合わせしましたが、サーバーに問題ありません。 Webメールでは送信できます。 Thunderbird側の問題のようです。 添付のようなメッセージが表示されエラーになってしまいます。 解決策を教えてください。

Suddenly, I can no longer send emails anywhere. I can still receive emails. I use KDDI, and I contacted them, but they said there are no issues with their servers. I can send emails using webmail. It seems to be an issue with Thunderbird. The message shown in the attachment appears, and I get an error. Please let me know how to fix this.

Okay. So I downloaded Firefox on my chromebook from flathub, but it keeps crashing. I open a new tab: it crashes. I close a tab: it crashes. I don't open or close anything: it crashes. I don't touch anything: it crashes.

I've says that either my theme or one of my add-ons is causing the crashes but I removed my theme and it still crashes and I can't remove any add-on because it crashes if I try to open a new tab.

Now, did/does anyone else have this problem or am I just stupid and missing a very obvious thing.

Hello I am 99% Mozzila user. But today, and it started from early in the morning, I cannot download a page or file like from my Yahoo email. Or if I go to a page to pay my bill I cannot download a page that I paid medical bill for instance. Downloads that ususaly take a second to appear in a new tab, or open in adobe are still downloading from like 7hrs ago. I cannot ev en stop downloading. I click on x's but it does not stop it. Also, I cannot print anything from Mozzila. It attempts to switch to print preview, a page appear just for fraction of a second and there is a circle of lines turning around for ever, but it never shows up to print. I was/am able to print something earlier and download, but it laggs now and nothing helps. I shut Mozzila, I restarted my laptop countless times, but it does not work. It does work on Google and I can print a word file or from Google

bold text whenever I go to a password needed site (account), firefox says passwords blocked and asks for a touch ID or a Firefox (?) password WHICH I DON'T HAVE. Can i change my Firefox password? If so, how??

Keep getting prompted to active VPN but every time I try it just keeps looping back to the sign in start pop up. The VPN button is always gray with an X even after sign in.