> > I've tried to downgrade to fetchmail 6.4.0~beta4-1 (from > > snapshot.debian.org), tried to upgrade to glibc 2.28-6, tried to reboot > > with another version of Linux kernel, and the problem is still there. > > Do you mean 6.4.0~beta4-1 worked right previously?
Ouch, sorry for misleading comment. Version 6.3.26-3 worked properly and it still works properly now (I've downgrade to it). I thought that 6.4.0~beta4-1 was in testing, but it was only in experimental. Regards, Lev Lamberov