Hi there, I am currently in the testing phase of replacing Gordano with a Postfix solution. First time RHEL user - so this has proven quite a challenge for me!
This server is being spun up as a mail server for an enterprise application. I believe I have gotten everything working, but would like to implement the ability to block ALL attachments - regardless of what they are. Our application does not accept attachments of any shape/form. Is something like this possible? I've looked around online quite a bit and have seen that you can block specific types of files - and even found a forum post here (http://postfix.1071664.n5.nabble.com/blocking-all-attachments-td14552.html), but unfortunately, this solution did not work for me. When implementing this in my mime_header_checks file, I am receiving the following in my /var/log/maillog file: Mar 11 08:26:05 postfix/cleanup[16783]: error: open /etc/postfix/mime_header_check: No such file or directory Mar 11 08:26:05 postfix/smtpd[16781]: D71E01E01EE: client=unknown[10.1.10.45] Mar 11 08:26:05 postfix/cleanup[16783]: warning: regexp:/etc/postfix/mime_header_check is unavailable. open /etc/postfix/mime_header_check: No such file or directory Mar 11 08:26:05 postfix/cleanup[16783]: warning: regexp:/etc/postfix/mime_header_check lookup error for "MIME-Version: 1.0" Mar 11 08:26:05 postfix/cleanup[16783]: warning: D71E01E01EE: mime_header_checks map lookup problem -- message not accepted, try again later Mar 11 08:26:05 postfix/cleanup[16783]: D86AB1E01EE: message-id=<20140311132605.D86AB1E01EE@localhost> Mar 11 08:26:05 postfix/qmgr[16780]: D86AB1E01EE: from=<double-bou...@localhost.fqdn>, size=957, nrcpt=1 (queue active) Here is my current Postfix configuration: >>postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix 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 home_mailbox = Maildir/ html_directory = no inet_interfaces = all inet_protocols = ipv4 local_recipient_maps = mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mime_header_checks = regexp:/etc/postfix/mime_header_check mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain mydomain = mydomain myhostname = myserver mynetworks = 10.1.1.0/24, 127.0.0.0/24, 10.1.10.0/24 mynetworks_style = subnet myorigin = $mydomain newaliases_path = /usr/bin/newaliases.postfix notify_classes = resource, software, bounce queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.11.0/README_FILES relay_domains = $mydomain sample_directory = /usr/share/doc/postfix-2.11.0/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop unknown_local_recipient_reject_code = 550 virtual_gid_maps = static:5000 virtual_mailbox_base = /home/vmail virtual_mailbox_domains = /etc/postfix/vhosts virtual_mailbox_maps = hash:/etc/postfix/vmaps virtual_minimum_uid = 1000 virtual_uid_maps = static:5000 Please let me know if I can provide anything else to assist. Thanks for your time in reviewing this with me. Joey -- View this message in context: http://postfix.1071664.n5.nabble.com/Possible-to-block-all-attachments-tp65917.html Sent from the Postfix Users mailing list archive at Nabble.com.
