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Add postfix conf script port 25 check #359

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Add postfix conf script port 25 check #359

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9 changes: 7 additions & 2 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

fatal() { "'$(basename "$0")' Error: $*" >&2; exit 1; }

if [[ ! "$HOSTNAME" ]]; then
echo "'$(basename "$0")' error: hostname not defined"
return 1
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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