Can't send e-mails

can somebody help me what to do???

Er is een fout opgetreden bij het verzenden van e-mail: de mailserver stuurde een onjuiste begroeting: concurrent connection limit in AVG exceeded(pass:0, processes:thunderbird.exe[50]).

An error occurred while sending email: The mail server sent an incorrect greeting: concurrent connection limit in AVG exceeded (pass: 0, processes: thunderbird.exe [50]).

Hi Robert,

AVG Support via community forum is available only in English. For a translation, for example you can use https://translate.google.com

We will help you in this.
Could you share us the screenshot of the error message?
Refer this article for the steps to capture the screenshot : https://bit.ly/2Y6RCDP
You can post the screenshot here in your topic. Click on 'Answer' & then click on the 'Image' [mountain symbol] & follow the instructions.