on 12/1/08 1:50 PM, Ricardo Kleemann said:
But if I do an strace on the outgoing runner, it basically is working very slowly through a large memberlist. It will process a certain number, then hang a few seconds before it processes the next batch. The server is not loaded and I don't see any other evidence of problems.
That sounds like your MTA is doing DNS lookups for each and every envelope recipient as you try to transmit mail. That needs to be fixed, and is one of the many "performance" tuning techniques that is discussed in the FAQ Wiki.
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