unable to connect to database

[Stevelbts]

Sending of the message failed.
An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: Connection refused - OXSUS003_101 - https://postmaster-oxsus.vadesecure.com/#OXSUS003_101.

[DanRaisch]

Who is the email provider?

[Stevelbts]

Thunderbird

[DanRaisch]

No, Thunderbird is an email client, a program used to access messages from the servers of an email provider. The providers might be your ISP, or Gmail, or Hotmail/Outlook, or Yahoo mail, etc. What comes after the @ symbol in your email address?

[Stevelbts]

earthlink

[Stevelbts]

the email I was send was to a group of respondents

[Stevelbts]

never had a problem sending to the group before but now I get the error message

[Stevelbts]

started after the recent Thunderbird update

[DanRaisch]

How many addressees were included in that outgoing message?
Have you tried again to send that message?