On 6 Jul 2020, at 13:06, Robert Chalmers wrote:
No to the first.I’m not missing any by grepping ‘unknown’ - if they are unknown users I don’t even want them in my system.
When postfix puts "unknown" before an IP in square brackets such as: unknown[45.125.65.52]then the "unknown" refers to the lack of a verified hostname, NOT to a lack of authentication.
-- Bill Cole b...@scconsult.com or billc...@apache.org (AKA @grumpybozo and many *@billmail.scconsult.com addresses) Not For Hire (currently)