A similar/identical issue appears to have been discussed briefly on the Exim list: https://lists.exim.org/lurker/message/20211008.224037.c1fee944.gl.html
They suggest that it may be a GnuTLS bug.
A similar/identical issue appears to have been discussed briefly on the Exim list: https:/ /lists. exim.org/ lurker/ message/ 20211008. 224037. c1fee944. gl.html
They suggest that it may be a GnuTLS bug.