Can send but not receive mail

After years of problem-free use, since yesterday I can send mail and it gets through, but I don’t receive any mail. Tried restarting my phone (Samsung S10). Seem to have the newest version, i.e. Google Play doesn’t show any updates needed. Not aware of changes to my mail server, and it works with Thunderbird under MacOS as always.
What else might I try?

as always, having some basic information is useful. please provide:

  • k9 release
  • mail service provider
  • IMAP/POP server [name]
  • security
  • port
  • authentication [type]

if imap, are you using push or polling to retrieve your messages?

1 Like