<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><br></div><blockquote type="cite"><div dir="ltr"><div dir="ltr"><div class="gmail_quote"><div dir="ltr">2021-12-23 11:27:30 gpg[12864] DBG: connection to the dirmngr established<br>2021-12-23 11:27:30 gpg[12864] DBG: chan_0x0000025c -> GETINFO version<br>2021-12-23 11:27:30 gpg[12864] DBG: chan_0x0000025c <- D 2.3.4<br>2021-12-23 11:27:30 gpg[12864] DBG: chan_0x0000025c <- OK<br>2021-12-23 11:27:30 gpg[12864] DBG: chan_0x0000025c -> KEYSERVER --clear hkps://<a href="http://gpg.example.com/" target="_blank">gpg.example.com/</a><br>2021-12-23 11:27:30 gpg[12864] DBG: chan_0x0000025c <- OK<br>2021-12-23 11:27:30 gpg[12864] DBG: chan_0x0000025c -> KS_SEARCH -- <a href="mailto:oleksandr@example.com" target="_blank">oleksandr@example.com</a><br>2021-12-23 11:27:30 gpg[12864] DBG: chan_0x0000025c <- ERR 167772261 Certificate expired <Dirmngr><br>2021-12-23 11:27:30 gpg[12864] error searching keyserver: Certificate expired<br>2021-12-23 11:27:30 gpg[12864] keyserver search failed: Certificate expired<br>2021-12-23 11:27:30 gpg[12864] DBG: chan_0x0000025c -> BYE</div></div></div></div></blockquote><br><div>OK, so I can see from the image that you’re not actually using example.com, fair enough :-) I do notice that your chosen keyserver is using a recently-issued letsencrypt certificate. There is a known issue with Letsencrypt certificates due to the replacement of their upstream CA and a known bug in openssl. Are you able to upgrade openssl and the ca-certificates bundle on your client machine?</div><div><br></div><div>A</div></body></html>