4.9.9 (16/03 version) core dump. URGENT.

[Chris Chan]

we have many domains on the same mail server. only one domain will core dump
every few minutes. and about 30% incoming email to this domain will lost.
This domain have about 150 users. but the other domains are work fine. some
of them have more than 500 pop uses.

anyone know what problem will core dump.

-rw-------   1 vpopmail vchkpw    219256 Mar 23 09:59 core

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  Chris