{{tag>category:"OpenInsight 64-bit"}} [[https://www.revelation.com/|Sign up on the Revelation Software website to have access to the most current content, and to be able to ask questions and get answers from the Revelation community]] ==== CDOMail - Access denied - Invalid HELO name (See RFC2821 4.1.1.1) (OpenInsight 64-bit) ==== === At 07 FEB 2023 03:05:16PM Sedick Cloete wrote: === Hi All, Running OI9.3.2 and having problems with sending emails using CDOMail.. Return value from CDOMail.. Access denied - Invalid HELO name (See RFC2821 4.1.1.1) After further investigation, I noticed not the full server name is being passed to create the HELO. However, if I try manually sending the instructions and greet with “EHLO SERVERNAME.CO.ZA” I get a 250 OK after the MAIL FROM. See below outputs from putty. No FQDN: EHLO SERVERNAME 250-serv22.registerdomain.co.za Hello SERVERNAME [41.162.51.42] MAIL FROM:username@server.co.za 550 Access denied - Invalid HELO name (See RFC2821 4.1.1.1) With FQDN: EHLO SERVERNAME.CO.ZA 250 serv22.registerdomain.co.za Hello SERVERNAME.CO.ZA [41.162.51.42] MAIL FROM:username@server.co.za 250 OK Is there a field in the config where the hostname can be stipulated as the full FQDN, when using CDOMail or any other setup configuration I can change in OI, or the email account, or email server? Please help!!!! I can be contacted at sedick@logicore.co.za Thank you. Sedick ---- === At 07 FEB 2023 03:38PM Barry Stevens wrote: === Hi All, Running OI9.3.2 and having problems with sending emails using CDOMail.. Return value from CDOMail.. Access denied - Invalid HELO name (See RFC2821 4.1.1.1) After further investigation, I noticed not the full server name is being passed to create the HELO. However, if I try manually sending the instructions and greet with “EHLO SERVERNAME.CO.ZA” I get a 250 OK after the MAIL FROM. See below outputs from putty. No FQDN: EHLO SERVERNAME 250-serv22.registerdomain.co.za Hello SERVERNAME [41.162.51.42] MAIL FROM:username@server.co.za 550 Access denied - Invalid HELO name (See RFC2821 4.1.1.1) With FQDN: EHLO SERVERNAME.CO.ZA 250 serv22.registerdomain.co.za Hello SERVERNAME.CO.ZA [41.162.51.42] MAIL FROM:username@server.co.za 250 OK Is there a field in the config where the hostname can be stipulated as the full FQDN, when using CDOMail or any other setup configuration I can change in OI, or the email account, or email server? Please help!!!! I can be contacted at sedick@logicore.co.za Thank you. Sedick Is this pasted or typed, as, it shows [b]HELO[/b] and you testing has [b]EHLO[/b] ---- === At 10 FEB 2023 05:15AM Sedick Cloete wrote: === Hi Barry, Sorry, it was typed... both should be EHLO. [[https://www.revelation.com/revweb/oecgi4p.php/O4W_HANDOFF?DESTN=O4W_RUN_FORM&INQID=NONWORKS_READ&SUMMARY=1&KEY=C4105354818A294F8605F7A7F3A7ABE7|View this thread on the forum...]]