All these commands do not work: ehlo helo HELO EHLO HELO myserver.com EHLO myserver.com
They all come back with 502. 5.5.2 Error: command not recognized -----Original Message----- From: owner-postfix-us...@postfix.org <owner-postfix-us...@postfix.org> On Behalf Of post...@ptld.com Sent: Wednesday, June 9, 2021 5:36 PM To: postfix-users@postfix.org Subject: [NON-HA] Re: Need help with response to HELO, 502 5.5.2 Error *** CAUTION: This email originated from outside the organization *** Do NOT click links or open attachments unless you recognize the sender and know the content is safe. > On 06-09-2021 10:59 pm, Apelin, Eulogio wrote: > I am testing my mail server setup, when telnetting to port 25, I > receive this interaction when I type 'helo myserver.com' > > 220 ************************************************** > > helo myserver.com > > 502 5.5.2 Error: command not recognized > > Connection to host lost. Try typing "ehlo myserver.com"
