Yup has had one since 8.1 in the Queue Manager
how big is it? does it have max size? What happens when the max cache size is reached?
does it use the TTL of the DNS records, or make up its own TTL?
is there a way to flush it?
is there a way to disable it? :)
What's the advantage of Imail running its own DNS cache when the local DNS's cache, mostly a sub-5 ms round-trip-time, has one already?
Len
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