Jim Lux 2021/10/24 07:33

I'm getting this new message (since updating Thunderbird, so there's probably some setting

Sending of the message failed.

An error occurred while sending mail. The mail server responded:

<NanoVNAV2@groups.io>... Relaying denied: You must check for new mail before sending mail..

Please check the message recipient "NanoVNAV2@groups.io" and try again.

Any ideas?