From: Andrew Ferris (aferrismrl.ubc.ca)
Date: Mon Jan 15 2007 - 18:42:17 CST

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Hello,

I'm new to Postfix but here's what I'd like to do with it. We have an existing e-mail system (GroupWise) handling all of our regular e-mail. I've been asked to set up a couple of mailing lists. So after looking into things a bit, I'm trying to get a combination of Postfix (2.3.2) and GNU Mailman working. I'm just not sure about the postfix portion of things given the following assumptions:

1. the Postfix system will only handle mail going to *lists.ourdomain.com
2. the GroupWise system will be the relay system between the Postfix system and the outside world
3. the GroupWise system will continue to handle traffic to *ourdomain.com

Here's the output of postconf -n and it's very much a work in progress at this point.

alias_maps = hash:/etc/aliases
biff = no
canonical_maps = hash:/etc/postfix/canonical
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/lib/postfix
debug_peer_level = 2
defer_transports =
disable_dns_lookups = no
disable_mime_output_conversion = no
html_directory = /usr/share/doc/packages/postfix/html
inet_interfaces = 127.0.0.1 ::1
inet_protocols = all
mail_owner = postfix
mail_spool_directory = /var/mail
mailbox_command =
mailbox_size_limit = 0
mailbox_transport =
mailq_path = /usr/bin/mailq
manpage_directory = /usr/share/man
masquerade_classes = envelope_sender, header_sender, header_recipient
masquerade_domains =
masquerade_exceptions = root
message_size_limit = 10240000
mydestination = $myhostname, localhost.$mydomain $mydomain
mydomain = lists.ourdomain.com
myhostname = os01mail.ourdomain.com
mynetworks_style = subnet
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/packages/postfix/README_FILES
relayhost = mail.ourdomain.com
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
smtp_sasl_auth_enable = no
smtp_use_tls = no
smtpd_client_restrictions =
smtpd_helo_required = no
smtpd_helo_restrictions =
smtpd_recipient_restrictions = permit_mynetworks,reject_unauth_destination
smtpd_sasl_auth_enable = no
smtpd_sender_restrictions = hash:/etc/postfix/access
smtpd_use_tls = no
strict_8bitmime = no
strict_rfc821_envelopes = no
transport_maps = hash:/etc/postfix/transport
unknown_local_recipient_reject_code = 550
virtual_alias_domains = hash:/etc/postfix/virtual
virtual_alias_maps = hash:/etc/postfix/virtual

I have tried to look around at various online sources of documentation but this is quite a narrow use of Postfix so I haven't seen anything too helpful. Has someone already done something like this?

thanks,

Andrew Ferris
Network Support Analyst
iCAPTURE Research Centre
University of British Columbia

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