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Implementation of multi-domain relay hosts (#922, #926)

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* Add new configuration for multi-domain relay hosts (#922)
 * Creates new environment variables (replacing existing AWS_SES variables)
 * Optionally allows more advanced setups using config files
* Update relay hosts during change detection (#922)
* Add helper scripts for adding relay hosts and per-domain auth
* Allow the possibility to deliver some mail directly
* adding a domain with no destination will exclude it from the
  relayhost_map and so Postfix will attempt to deliver the mail directly
* tests for setup.sh script
* tests for relay host configuration
* these tests cover the code in `start-mailserver.sh` dealing with both
  the env vars and the configuration files
This commit is contained in:
Paul Adams 2018-04-02 09:45:58 +01:00 • committed by Johan Smits
parent 86ea0bbae1
commit f28e9843ce
13 changed files with 388 additions and 11 deletions
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3
test/config/relay-hosts/postfix-accounts.cf Normal file
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@ -0,0 +1,3 @@
user1@domainone.tld|{SHA512-CRYPT}$6$UMGnThsSm0IFgzEw$BynVshxudpGQHDRQaF4b7wb57A7NazGZcBUakYYLflp7J4E3UHK2qo/C1qXMCkRlYFlTd.SuwCsCKb7zBaUkb/
user2@domaintwo.tld|{SHA512-CRYPT}$6$pDkaJmqaNJB0GNtl$692CLTUW1Z2C3kV1c9geJ7jWRrxqtT3eE7d/EEufEU2hI0br.SbLTItIfKPO9vhqpgWYB/bmUM7VRs7UZbN1w.
user3@domainthree.tld|{SHA512-CRYPT}$6$y370fIl7h8PUWXkp$aC2Pp7xw2Gc9CSQW0cYORFfAOjzBJB8iu/GDFe9D4PVnE0aupFGdupm9db.7SU8Ur9T4eZyJ75.Be747XdDZ.0

2
test/config/relay-hosts/postfix-relaymap.cf Normal file
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@ -0,0 +1,2 @@
@domaintwo.tld [other.relay.com]:587
@domainthree.tld

1
test/config/relay-hosts/postfix-sasl-password.cf Normal file
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@ -0,0 +1 @@
@domaintwo.tld smtp_user_2:smtp_password_2

69
test/tests.bats
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@ -1310,6 +1310,46 @@ load 'test_helper/bats-assert/load'
assert_output --partial "You need to specify an IP address. Run"
}
@test "checking setup.sh: setup.sh relay add-domain" {
echo -n > ./config/postfix-relaymap.cf
./setup.sh -c mail relay add-domain example1.org smtp.relay1.com 2525
./setup.sh -c mail relay add-domain example2.org smtp.relay2.com
./setup.sh -c mail relay add-domain example3.org smtp.relay3.com 2525
./setup.sh -c mail relay add-domain example3.org smtp.relay.com 587
# check adding
run /bin/sh -c 'cat ./config/postfix-relaymap.cf | grep -e "^@example1.org\s\+\[smtp.relay1.com\]:2525" | wc -l | grep 1'
assert_success
# test default port
run /bin/sh -c 'cat ./config/postfix-relaymap.cf | grep -e "^@example2.org\s\+\[smtp.relay2.com\]:25" | wc -l | grep 1'
assert_success
# test modifying
run /bin/sh -c 'cat ./config/postfix-relaymap.cf | grep -e "^@example3.org\s\+\[smtp.relay.com\]:587" | wc -l | grep 1'
assert_success
}
@test "checking setup.sh: setup.sh relay add-auth" {
echo -n > ./config/postfix-sasl-password.cf
./setup.sh -c mail relay add-auth example.org smtp_user smtp_pass
./setup.sh -c mail relay add-auth example2.org smtp_user2 smtp_pass2
./setup.sh -c mail relay add-auth example2.org smtp_user2 smtp_pass_new
# test adding
run /bin/sh -c 'cat ./config/postfix-sasl-password.cf | grep -e "^@example.org\s\+smtp_user:smtp_pass" | wc -l | grep 1'
assert_success
# test updating
run /bin/sh -c 'cat ./config/postfix-sasl-password.cf | grep -e "^@example2.org\s\+smtp_user2:smtp_pass_new" | wc -l | grep 1'
assert_success
}
@test "checking setup.sh: setup.sh relay exclude-domain" {
echo -n > ./config/postfix-relaymap.cf
./setup.sh -c mail relay exclude-domain example.org
run /bin/sh -c 'cat ./config/postfix-relaymap.cf | grep -e "^@example.org\s*$" | wc -l | grep 1'
assert_success
}
#
# LDAP
#
@ -1617,3 +1657,32 @@ load 'test_helper/bats-assert/load'
run docker exec mail_with_ldap /bin/bash -c "pkill saslauthd && sleep 10 && ps aux --forest | grep -v grep | grep '/usr/sbin/saslauthd'"
assert_success
}
#
# relay hosts
#
@test "checking relay hosts: default mapping is added from env vars" {
run docker exec mail_with_relays /bin/sh -c 'cat /etc/postfix/relayhost_map | grep -e "^@domainone.tld\s\+\[default.relay.com\]:2525" | wc -l | grep 1'
assert_success
}
@test "checking relay hosts: custom mapping is added from file" {
run docker exec mail_with_relays /bin/sh -c 'cat /etc/postfix/relayhost_map | grep -e "^@domaintwo.tld\s\+\[other.relay.com\]:587" | wc -l | grep 1'
assert_success
}
@test "checking relay hosts: ignored domain is not added" {
run docker exec mail_with_relays /bin/sh -c 'cat /etc/postfix/relayhost_map | grep -e "^@domainthree.tld\s\+\[any.relay.com\]:25" | wc -l | grep 0'
assert_success
}
@test "checking relay hosts: auth entry is added" {
run docker exec mail_with_relays /bin/sh -c 'cat /etc/postfix/sasl_passwd | grep -e "^@domaintwo.tld\s\+smtp_user_2:smtp_password_2" | wc -l | grep 1'
assert_success
}
@test "checking relay hosts: default auth entry is added" {
run docker exec mail_with_relays /bin/sh -c 'cat /etc/postfix/sasl_passwd | grep -e "^\[default.relay.com\]:2525\s\+smtp_user:smtp_password" | wc -l | grep 1'
assert_success
}