On Wed, Sep 19, 2012 at 09:34:42PM -0400, Brad Smith wrote:
> I'm trying to use the postscreen_whitelist_interfaces feature of
> Postfix but it does not appear to work properly with IPv6. I have
> put in an address with and without the square brackets around the
> address and either way postscreen does not behave in the same
> manner as it does with an IPv4 address. I also wanted to know what
> the appropriate format is for specifying multiple IP addresses
> since the documentation does not mention this.
"postscreen_whitelist_interfaces (default: static:all)
A list of local postscreen(8) server IP addresses where a
non-whitelisted remote SMTP client can obtain postscreen(8)'s
temporary whitelist status. ..."
"A list", just list them. If an address is in the list, that one is
usable for a client to obtain whitelist status. If an address is
*not* in the list or is listed as an !exception, a client that hits
that address will not be whitelisted ... until it tries on one that
IS in the list.
The default, "static:all", makes all addresses eligible for
whitelisting.
Also note: "This feature is available in Postfix 2.9 and later."
If this did not answer your question, start again with what you are
trying to accomplish. Show postconf -n and the logs showing the
problem.
Personally: I am hesitating to step into email on IPv6. The IPv4
antispam strategies which have been very successful won't work in
Sixland. I think a default deny policy might be the only way to
safely receive mail on IPv6.
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