Am 05.04.2012 17:14, schrieb DN Singh: > Hello group, > While implementing our own DNSBL, I came across a phenomenon. Right now in > testing phase, I found that the dns > queries were being cached in postfix itself. I had made some changes in the > dns side, and wanted them to be > reflected on the mta. > I tried flushing the dns cache by restarting the caching nameserver. But, the > changes were reflected only after > Postfix was restarted. > So, just wanted to confirm if there is any caching nameserver inside postfix > itself. If so, I'll have to consider > it during the setup design.
i would guess postfix respects the TTL of your dns-zone
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