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

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

കൂടുതലറിയുക
This thread was closed and archived. Please ask a new question if you need help.
Locked Archived

thunderbird e-mail stopped working since update to version 78 (No e-mails coming in and none being able to send

Thunderbird Troubleshooting
sfhowes replied
SuMo Bot
SuMo Bot

Error message comes up

An error occured while sending mail unable to establish a secure link with out going server (SMTP) smtp-mail.outlook.com using STARTTLS since it doesent advertize that feature switch off STARTTLS for that server or contact service provider

Error message comes up An error occured while sending mail unable to establish a secure link with out going server (SMTP) smtp-mail.outlook.com using STARTTLS since it doesent advertize that feature switch off STARTTLS for that server or contact service provider

എല്ലാ മറുപടികളും (1)

sfhowes
sfhowes

The outlook.com smtp server does support SATRTTLS on port 587, so do you have some other program scanning secure connections, e.g. Avast, or are you connecting through a VPN?

SuMo Bot
SuMo Bot Question owner

This question has been locked because the original author has deleted their account. While you can no longer post new replies, the existing content remains available for reference.