LaurentG wrote: > *The problem* : mupdate chokes in a strange way when frontends receive > few hundreds of mails (mailing lists for example), and 300 messages take > at least 1 hour 1/2 to get deliverred.
I have seen that in the past. The MUPDATE master server was stepping over the open files limit. I was not the one assigned to the resolution of this problem so I do not know the details, but I think they fixed the problem by setting maxfds to something larger than 256 in cyrus.conf. You might want ot give that a try. Check the cyrus.conf man page for the exact syntax.
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