Samuel Thibault, le lun. 02 déc. 2019 01:36:32 +0100, a ecrit: > The attached patch is also required, otherwise exim4 will consider using > fastopen, but not actually do it, thus completely failing to connect. > I'll submit upstream once I get my account there confirmed. This is now on https://bugs.exim.org/show_bug.cgi?id=2475 Samuel