Zhang Huangbin avatar Zhang Huangbin committed 9005139

Comment out 'inet_protocols' in Postfix main.cf first to avoid duplicate entries.

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     # Use ipv4 only
+    # Comment out the parameter first to avoid duplicate entries
+    perl -pi -e 's/^(inet_protocols*)/#${1}/' ${POSTFIX_FILE_MAIN_CF}
     postconf -e inet_protocols='ipv4'
     # Do not set virtual_alias_domains.
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