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Adding support for secrets in docker swarm #27

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e4e0cc2
Adding support for secrets
Mar 5, 2018
eae21a4
README updated accordingly to previous commit
Mar 5, 2018
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2 changes: 2 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,8 @@ TLS and OpenDKIM support are optional.

## Note
+ Login credential should be set to (`[email protected]`, `password`) in Smtp Client
+ If `smtp_user` is set to an existing file, the `user:password` string will be read from that file
(to allow integration with docker-swarm secrets).
+ You can assign the port of MTA on the host machine to one other than 25 ([postfix how-to](http://www.postfix.org/MULTI_INSTANCE_README.html))
+ Read the reference below to find out how to generate domain keys and add public key to the domain's DNS records

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8 changes: 6 additions & 2 deletions assets/install.sh
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Expand Up @@ -45,7 +45,11 @@ auxprop_plugin: sasldb
mech_list: PLAIN LOGIN CRAM-MD5 DIGEST-MD5 NTLM
EOF
# sasldb2
echo $smtp_user | tr , \\n > /tmp/passwd
if [ -f /run/secrets/smtp_user ]; then
cat /run/secrets/smtp_user | tr , \\n > /tmp/passwd
else
echo $smtp_user | tr , \\n > /tmp/passwd
fi
while IFS=':' read -r _user _pwd; do
echo $_pwd | saslpasswd2 -p -c -u $maildomain $_user
done < /tmp/passwd
Expand Down Expand Up @@ -127,4 +131,4 @@ cat >> /etc/opendkim/SigningTable <<EOF
*@$maildomain mail._domainkey.$maildomain
EOF
chown opendkim:opendkim $(find /etc/opendkim/domainkeys -iname *.private)
chmod 400 $(find /etc/opendkim/domainkeys -iname *.private)
chmod 400 $(find /etc/opendkim/domainkeys -iname *.private)