Hi, Sorry, I have taken long to reply ...
Here is my postconf output : mailgate:~ # postconf -n canonical_maps = hash:/etc/postfix/canonical command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/lib/postfix debug_peer_level = 2 debug_peer_list = 173.225.251.221 disable_dns_lookups = no header_checks = regexp:/etc/postfix/header_checks home_mailbox = Maildir/ inet_interfaces = all mail_owner = postfix mail_spool_directory = /var/mail mailq_path = /usr/bin/mailq manpage_directory = /usr/share/man masquerade_classes = envelope_sender, header_sender, header_recipient masquerade_exceptions = root message_size_limit = 8703181 mydestination = $myhostname, localhost.$mydomain myhostname = mailgate.asianpaints.com mynetworks = 127.0.0.1/8 , 192.168.40.0/24 ,172.25.10.94/32 newaliases_path = /usr/sbin/sendmail queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/packages/postfix/README_FILES recipient_canonical_maps = hash:/etc/postfix/recipient_canonical relocated_maps = hash:/etc/postfix/relocated sample_directory = /usr/share/doc/packages/postfix/samples sender_canonical_maps = hash:/etc/postfix/sender_canonical sendmail_path = /usr/sbin/sendmail setgid_group = maildrop smtpd_helo_required = yes smtpd_recipient_restrictions = check_sender_access hash:/etc/postfix/sender_access, check_recipient_access hash:/etc/postfix/sender_access reject strict_rfc821_envelopes = yes transport_maps = hash:/etc/postfix/transport virtual_maps = hash:/etc/postfix/virtual rgds, santosh On Tue, Feb 28, 2012 at 8:27 PM, Ansgar Wiechers <li...@planetcobalt.net>wrote: > On 2012-02-28 santosh malavade wrote: > > In my mail server, i have enabled sender access using the following > > parameter. > > > > smtpd_recipient_restrictions = check_sender_access > > hash:/etc/postfix/sender_access, check_recipient_access > > hash:/etc/postfix/sender_access reject > > > > This was rejecting the mail with the 554 Recipient address rejected: > > Access denied > > That's because you added an explicit "reject" at the end of > smtpd_recipient_restrictions. Remove it and the problem will go away. > > > Now, I have enabled null sender using <> in file > > /etc/postfix/sender_access, based on the information available in > > http://www.postfix.org/access.5.html ( refer Note: in section EMAIL > > ADDRESS PATTERNS ) > > That is unnecessary. Postfix' default configuration is safe. The default > implicit "permit" in smtpd_recipient_restrictions does not make your > server an open relay. It just means that it will accept mail for its > $mydestination domains. > > > Now, my concern is my mail server should not be an OPEN RELAY. > > > > I tried checking it on http://www.checkor.com/ Although, the results > > are negative, the site has the following disclaimer. > > > > * We do our best to check to see if you mailserver is an open relay. > > Even if your mail server tests negative on this site, it may still not > > be 100% secure > > > > Pls. suggest. > > Please post the output of "postconf -n". > > Regards > Ansgar Wiechers > -- > "Abstractions save us time working, but they don't save us time learning." > --Joel Spolsky >
