Hi List,

while looking to the Postfix-Doku under:

http://www.postfix.org/POSTSCREEN_README.html#temp_white_sharing

we keep an eye on the Example 4:

    # Example 4: proxied btree: whitelist with memcache: accelerator.
    /etc/postfix/main.cf:
        postscreen_cache_map = memcache:/etc/postfix/postscreen_cache
        proxy_write_maps =
            proxy:btree:/var/lib/postfix/postscreen_cache
            ... other proxied tables ...
        # See note 1 below.
        # postscreen_cache_cleanup_interval = 0

    /etc/postfix/postscreen_cache:
        # Note: the $data_directory macro is not defined in this context.
        memcache = inet:127.0.0.1:11211
        backup = proxy:btree:/var/lib/postfix/postscreen_cache
        key_format = postscreen:%s

Following statemant was written to "Example 4" at the Postfix-Doku:

A non-persistent memcache: temporary whitelist can be shared between
postscreen(8) daemons on the

---> same host or different hosts. <--

Disable cache cleanup (postscreen_cache_cleanup_interval = 0) in all
postscreen(8) daemons because memcache: does not implement this (but see
example 4 below for memcache: with persistent backup).


QUESTION(s): How can shared a postscreen whitelist between 4 Server?

How can this be configured in postfix for example?

Is that even possible?

Or we're totally wrong?

Thank you!



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