Windows 10 bereikte EO (einde ondersteuning) op 14 oktober 2025. Als je Windows 10 gebruikt, lees dan dit artikel.

Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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An error occurred while sending mail.

Thunderbird Probleemoplossing
user1121639 heeft 9 jaar geleden geantwoord
Edie
Edie

I am receiving this error message each time I attempt to send an email. How/why do I switch my email client to use SASl authentication. Not at all sure what this means.

An error occurred while sending mail. The mail server responded: 4.7.1 : Recipient address rejected: Policy Rejection- Email send quota has been exceeded for your host. Please switch your email client to use SASL authentication --- contact support if unsure how to..

I am receiving this error message each time I attempt to send an email. How/why do I switch my email client to use SASl authentication. Not at all sure what this means. An error occurred while sending mail. The mail server responded: 4.7.1 : Recipient address rejected: Policy Rejection- Email send quota has been exceeded for your host. Please switch your email client to use SASL authentication --- contact support if unsure how to..

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user1121639
user1121639

Gekozen oplossing

Hopefully all you need to do is change the e-mail settings to use SSL/TLS (security protocols). If you know how to do this, please do. If you need help with this, then please provide your Troubleshooting Information from Thunderbird: Thunderbird menu: Help: Troubleshooting Information Click the "Copy text to clipboard" button. Paste (Ctrl-V), the text into your response here.

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