Re: Illegal address syntax in MAIL command
That did the trick! Many thanks. ;) On 2021-07-07 10:21, Kevin N. wrote: It seems that in the MAIL command the IP address is still not between []. should be On a quick look, it seems that you could try setting resolve_numeric_domain = yes in your Postfix configuration and see if that changes anything. From http://www.postfix.org/postconf.5.html resolve_numeric_domain (default: no) Resolve "user@ipaddress" as "user@[ipaddress]", instead of rejecting the address as invalid. Cheers, K. On 07/07/2021 18:08, j...@wrightthisway.com wrote: I believe you are correct, but again I have no control over that part. Also, I mistakenly attached the log attempt from the telnet session I tried, the actual systems having issues have the from address within brackets, here is the system in question: Jul 6 15:18:42 localhost postfix/smtpd[40342]: warning: Illegal address syntax from unknown[100.67.10.122] in MAIL command: On 2021-07-07 09:59, Kevin N. wrote: When using IP addresses in the email address, shouldn't the IP be enclosed between []? For example: noreply@[100.67.10.122] instead of noreply@100.67.10.122 Cheers, K. On 07/07/2021 17:49, j...@wrightthisway.com wrote: Hello folks. I have set up a fresh instance of Postfix at my office to help do some troubleshooting on another issue. There is a relay upstream that is having issues forwarding mail from some devices here, and this seemed the easiest way to get some data to help them troubleshoot. Install is Redat 8.4 using the postfix install from YUM. Everything is pretty much default settings. This is what I'm seeing in the logs: Jul 6 15:36:02 localhost postfix/smtpd[40841]: connect from desktop-204qpi1.example.net[100.67.2.4] Jul 6 15:36:20 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: noreply@100.67.10.122 Jul 6 15:36:23 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: noreply@100.67.10.122. Jul 6 15:38:11 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: Jul 6 15:38:48 localhost postfix/smtpd[40841]: disconnect from desktop-204qpi1.example.net[100.67.2.4] mail=1/4 quit=1 unknown=0/1 commands=2/6 If I telnet to this postfix and use a mail from with an IP literal, it fails, but a DNS name works. I can't seem to locate the proper command to allow such emails to be received. These emails would be generated from Dell servers via their iDrac (system management), temperature probes, etc, so I have little control over how these devices send mail. Mail delivery would be targeted to system admins needing to monitor alerts from such systems. Below is my postconf output: [root@localhost postfix]# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin compatibility_level = 2 daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5 html_directory = no inet_interfaces = all inet_protocols = all mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man meta_directory = /etc/postfix mydestination = $myhostname, localhost.$mydomain, localhost mynetworks = 100.67.0.0/16 mynetworks_style = subnet newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix/README_FILES sample_directory = /usr/share/doc/postfix/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop shlib_directory = /usr/lib64/postfix smtp_tls_CAfile = /etc/pki/tls/certs/ca-bundle.crt smtp_tls_CApath = /etc/pki/tls/certs smtp_tls_security_level = may smtpd_tls_cert_file = /etc/pki/tls/certs/postfix.pem smtpd_tls_key_file = /etc/pki/tls/private/postfix.key smtpd_tls_security_level = may unknown_local_recipient_reject_code = 550
Re: Illegal address syntax in MAIL command
You can fix MAIL FROM and other commands with smtpd_command_filter. See http://www.postfix.org/postconf.5.html#smtpd_command_filter Wietse
Re: Illegal address syntax in MAIL command
It seems that in the MAIL command the IP address is still not between []. should be On a quick look, it seems that you could try setting resolve_numeric_domain = yes in your Postfix configuration and see if that changes anything. From http://www.postfix.org/postconf.5.html resolve_numeric_domain (default: no) Resolve "user@ipaddress" as "user@[ipaddress]", instead of rejecting the address as invalid. Cheers, K. On 07/07/2021 18:08, j...@wrightthisway.com wrote: I believe you are correct, but again I have no control over that part. Also, I mistakenly attached the log attempt from the telnet session I tried, the actual systems having issues have the from address within brackets, here is the system in question: Jul 6 15:18:42 localhost postfix/smtpd[40342]: warning: Illegal address syntax from unknown[100.67.10.122] in MAIL command: On 2021-07-07 09:59, Kevin N. wrote: When using IP addresses in the email address, shouldn't the IP be enclosed between []? For example: noreply@[100.67.10.122] instead of noreply@100.67.10.122 Cheers, K. On 07/07/2021 17:49, j...@wrightthisway.com wrote: Hello folks. I have set up a fresh instance of Postfix at my office to help do some troubleshooting on another issue. There is a relay upstream that is having issues forwarding mail from some devices here, and this seemed the easiest way to get some data to help them troubleshoot. Install is Redat 8.4 using the postfix install from YUM. Everything is pretty much default settings. This is what I'm seeing in the logs: Jul 6 15:36:02 localhost postfix/smtpd[40841]: connect from desktop-204qpi1.example.net[100.67.2.4] Jul 6 15:36:20 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: noreply@100.67.10.122 Jul 6 15:36:23 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: noreply@100.67.10.122. Jul 6 15:38:11 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: Jul 6 15:38:48 localhost postfix/smtpd[40841]: disconnect from desktop-204qpi1.example.net[100.67.2.4] mail=1/4 quit=1 unknown=0/1 commands=2/6 If I telnet to this postfix and use a mail from with an IP literal, it fails, but a DNS name works. I can't seem to locate the proper command to allow such emails to be received. These emails would be generated from Dell servers via their iDrac (system management), temperature probes, etc, so I have little control over how these devices send mail. Mail delivery would be targeted to system admins needing to monitor alerts from such systems. Below is my postconf output: [root@localhost postfix]# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin compatibility_level = 2 daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5 html_directory = no inet_interfaces = all inet_protocols = all mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man meta_directory = /etc/postfix mydestination = $myhostname, localhost.$mydomain, localhost mynetworks = 100.67.0.0/16 mynetworks_style = subnet newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix/README_FILES sample_directory = /usr/share/doc/postfix/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop shlib_directory = /usr/lib64/postfix smtp_tls_CAfile = /etc/pki/tls/certs/ca-bundle.crt smtp_tls_CApath = /etc/pki/tls/certs smtp_tls_security_level = may smtpd_tls_cert_file = /etc/pki/tls/certs/postfix.pem smtpd_tls_key_file = /etc/pki/tls/private/postfix.key smtpd_tls_security_level = may unknown_local_recipient_reject_code = 550
Re: Illegal address syntax in MAIL command
I believe you are correct, but again I have no control over that part. Also, I mistakenly attached the log attempt from the telnet session I tried, the actual systems having issues have the from address within brackets, here is the system in question: Jul 6 15:18:42 localhost postfix/smtpd[40342]: warning: Illegal address syntax from unknown[100.67.10.122] in MAIL command: On 2021-07-07 09:59, Kevin N. wrote: When using IP addresses in the email address, shouldn't the IP be enclosed between []? For example: noreply@[100.67.10.122] instead of noreply@100.67.10.122 Cheers, K. On 07/07/2021 17:49, j...@wrightthisway.com wrote: Hello folks. I have set up a fresh instance of Postfix at my office to help do some troubleshooting on another issue. There is a relay upstream that is having issues forwarding mail from some devices here, and this seemed the easiest way to get some data to help them troubleshoot. Install is Redat 8.4 using the postfix install from YUM. Everything is pretty much default settings. This is what I'm seeing in the logs: Jul 6 15:36:02 localhost postfix/smtpd[40841]: connect from desktop-204qpi1.example.net[100.67.2.4] Jul 6 15:36:20 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: noreply@100.67.10.122 Jul 6 15:36:23 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: noreply@100.67.10.122. Jul 6 15:38:11 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: Jul 6 15:38:48 localhost postfix/smtpd[40841]: disconnect from desktop-204qpi1.example.net[100.67.2.4] mail=1/4 quit=1 unknown=0/1 commands=2/6 If I telnet to this postfix and use a mail from with an IP literal, it fails, but a DNS name works. I can't seem to locate the proper command to allow such emails to be received. These emails would be generated from Dell servers via their iDrac (system management), temperature probes, etc, so I have little control over how these devices send mail. Mail delivery would be targeted to system admins needing to monitor alerts from such systems. Below is my postconf output: [root@localhost postfix]# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin compatibility_level = 2 daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5 html_directory = no inet_interfaces = all inet_protocols = all mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man meta_directory = /etc/postfix mydestination = $myhostname, localhost.$mydomain, localhost mynetworks = 100.67.0.0/16 mynetworks_style = subnet newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix/README_FILES sample_directory = /usr/share/doc/postfix/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop shlib_directory = /usr/lib64/postfix smtp_tls_CAfile = /etc/pki/tls/certs/ca-bundle.crt smtp_tls_CApath = /etc/pki/tls/certs smtp_tls_security_level = may smtpd_tls_cert_file = /etc/pki/tls/certs/postfix.pem smtpd_tls_key_file = /etc/pki/tls/private/postfix.key smtpd_tls_security_level = may unknown_local_recipient_reject_code = 550
Re: Illegal address syntax in MAIL command
When using IP addresses in the email address, shouldn't the IP be enclosed between []? For example: noreply@[100.67.10.122] instead of noreply@100.67.10.122 Cheers, K. On 07/07/2021 17:49, j...@wrightthisway.com wrote: Hello folks. I have set up a fresh instance of Postfix at my office to help do some troubleshooting on another issue. There is a relay upstream that is having issues forwarding mail from some devices here, and this seemed the easiest way to get some data to help them troubleshoot. Install is Redat 8.4 using the postfix install from YUM. Everything is pretty much default settings. This is what I'm seeing in the logs: Jul 6 15:36:02 localhost postfix/smtpd[40841]: connect from desktop-204qpi1.example.net[100.67.2.4] Jul 6 15:36:20 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: noreply@100.67.10.122 Jul 6 15:36:23 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: noreply@100.67.10.122. Jul 6 15:38:11 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: Jul 6 15:38:48 localhost postfix/smtpd[40841]: disconnect from desktop-204qpi1.example.net[100.67.2.4] mail=1/4 quit=1 unknown=0/1 commands=2/6 If I telnet to this postfix and use a mail from with an IP literal, it fails, but a DNS name works. I can't seem to locate the proper command to allow such emails to be received. These emails would be generated from Dell servers via their iDrac (system management), temperature probes, etc, so I have little control over how these devices send mail. Mail delivery would be targeted to system admins needing to monitor alerts from such systems. Below is my postconf output: [root@localhost postfix]# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin compatibility_level = 2 daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5 html_directory = no inet_interfaces = all inet_protocols = all mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man meta_directory = /etc/postfix mydestination = $myhostname, localhost.$mydomain, localhost mynetworks = 100.67.0.0/16 mynetworks_style = subnet newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix/README_FILES sample_directory = /usr/share/doc/postfix/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop shlib_directory = /usr/lib64/postfix smtp_tls_CAfile = /etc/pki/tls/certs/ca-bundle.crt smtp_tls_CApath = /etc/pki/tls/certs smtp_tls_security_level = may smtpd_tls_cert_file = /etc/pki/tls/certs/postfix.pem smtpd_tls_key_file = /etc/pki/tls/private/postfix.key smtpd_tls_security_level = may unknown_local_recipient_reject_code = 550
Illegal address syntax in MAIL command
Hello folks. I have set up a fresh instance of Postfix at my office to help do some troubleshooting on another issue. There is a relay upstream that is having issues forwarding mail from some devices here, and this seemed the easiest way to get some data to help them troubleshoot. Install is Redat 8.4 using the postfix install from YUM. Everything is pretty much default settings. This is what I'm seeing in the logs: Jul 6 15:36:02 localhost postfix/smtpd[40841]: connect from desktop-204qpi1.example.net[100.67.2.4] Jul 6 15:36:20 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: noreply@100.67.10.122 Jul 6 15:36:23 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: noreply@100.67.10.122. Jul 6 15:38:11 localhost postfix/smtpd[40841]: warning: Illegal address syntax from desktop-204qpi1.example.net[100.67.2.4] in MAIL command: Jul 6 15:38:48 localhost postfix/smtpd[40841]: disconnect from desktop-204qpi1.example.net[100.67.2.4] mail=1/4 quit=1 unknown=0/1 commands=2/6 If I telnet to this postfix and use a mail from with an IP literal, it fails, but a DNS name works. I can't seem to locate the proper command to allow such emails to be received. These emails would be generated from Dell servers via their iDrac (system management), temperature probes, etc, so I have little control over how these devices send mail. Mail delivery would be targeted to system admins needing to monitor alerts from such systems. Below is my postconf output: [root@localhost postfix]# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin compatibility_level = 2 daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5 html_directory = no inet_interfaces = all inet_protocols = all mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man meta_directory = /etc/postfix mydestination = $myhostname, localhost.$mydomain, localhost mynetworks = 100.67.0.0/16 mynetworks_style = subnet newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix/README_FILES sample_directory = /usr/share/doc/postfix/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop shlib_directory = /usr/lib64/postfix smtp_tls_CAfile = /etc/pki/tls/certs/ca-bundle.crt smtp_tls_CApath = /etc/pki/tls/certs smtp_tls_security_level = may smtpd_tls_cert_file = /etc/pki/tls/certs/postfix.pem smtpd_tls_key_file = /etc/pki/tls/private/postfix.key smtpd_tls_security_level = may unknown_local_recipient_reject_code = 550
