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Add postfix conf script port 25 check #359

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Merged
JedMeister merged 2 commits into from
Jun 3, 2026
Merged

Add postfix conf script port 25 check #359

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f4e1509
conf/turnkey.d/postfix-local: port 25 check (causes a silent error th…
JedMeister Jun 1, 2026
3054a17
Also fix HOSTNAME test (would work as it was but using -z is better)
JedMeister Jun 3, 2026
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11 changes: 8 additions & 3 deletions conf/turnkey.d/postfix-local
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Original file line number Diff line number Diff line change
@@ -1,8 +1,13 @@
#!/bin/bash -e

if [[ ! "$HOSTNAME" ]]; then
echo "'$(basename "$0")' error: hostname not defined"
return 1
fatal() { "'$(basename "$0")' Error: $*" >&2; exit 1; }

if [[ -z "$HOSTNAME" ]]; then
fatal "Hostname not defined"
fi

if grep -q ':25' <(ss -tlnp); then
fatal "Port 25 is already in use - must be available to set up postfix"
fi

postconf -e inet_interfaces=localhost
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