[Freeipa-users] Dovecot imap authentication with IPA/Kerberos

[Dale Macartney]

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Of course Dmitri

Here you go. I was actually trying to resolve this for an automated
kickstart process anyway. The details specific to dovecot are in the middle.

# Connect server to IPA domain (ensure DNS is working correctly
otherwise this step will fail)
ipa-client-install -U -p admin -w mysecretpassword

# install postfix if necessary (installed by default in rhel6)
yum -y install postfix

# set postfix to start on boot
chkconfig postfix on

# configure postfix with hostname, domain and origin details
sed -i 's/#myhostname = host.domain.tld/myhostname =
servername.example.com/g' /etc/postfix/main.cf
sed -i 's/#mydomain = domain.tld/mydomain = example.com/g'
/etc/postfix/main.cf
sed -i 's/#myorigin = $mydomain/myorigin = $mydomain/g' /etc/postfix/main.cf

# configure postfix to listen on all interfaces
sed -i 's/#inet_interfaces = all/inet_interfaces = all/g'
/etc/postfix/main.cf
sed -i 's/inet_interfaces = localhost/#inet_interfaces = localhost/g'
/etc/postfix/main.cf

# apply postfix changes
service postfix restart

# Install dovecot
yum -y install dovecot

# set dovecot to start on boot
chkconfig dovecot on

# set dovecot to listen on imap and imaps only
sed -i 's/#protocols = imap pop3 lmtp/protocols = imap imaps/g'
/etc/dovecot/dovecot.conf

# point dovecot to required mailbox directory (This is the section that
was previously failing)
echo "mail_location = mbox:~/mail:INBOX=/var/mail/%u" >>
/etc/dovecot/dovecot.conf

# reload dovecot to apply changes
service dovecot restart

# Apply working IPtables
cat > /etc/sysconfig/iptables << EOF
# Generated by iptables-save v1.4.7 on Tue Jan 10 12:17:41 2012
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [29:4596]
- - -A INPUT -p tcp -m tcp --dport 25 -j ACCEPT
- - -A INPUT -p tcp -m tcp --dport 143 -j ACCEPT
- - -A INPUT -p tcp -m tcp --dport 993 -j ACCEPT
- - -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
- - -A INPUT -p icmp -j ACCEPT
- - -A INPUT -i lo -j ACCEPT
- - -A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
- - -A INPUT -j REJECT --reject-with icmp-host-prohibited
- - -A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT
# Completed on Tue Jan 10 12:17:41 2012
EOF

With the above details, I am able to replicate a 100% working IPA
authenticated mail server, allowing IPA users to retrieve mail via
imap/imaps.

I hope this helps.


Dale



On 01/30/2012 01:46 PM, Dmitri Pal wrote:

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