see the pictures: problems with receiving and sending emails. -my webmail functions correct, -internet is without problems, -XS4ALL states: no errors on their side, and account-info is correctly filled in, -windows 10, all updates installed, -fault is approx 3 weeks there, -sometimes it takes Thunderbird 6 hours to receive and send any emails, -version 128.5.0, I use Thunderbird for many years, this is the first time I get problems, please help; Emails are important these days, because government and insurance companies communicate this way. R. Eijgenraam, 06-51423518, Netherlands