On 18 Dec 2017, at 14:32 (-0500), Pedro David Marco wrote:

maybe they are processing mail and will exit after it's done...


Thanks Fantomas, this is what i would expect and it seems what happens...  spamd childs get the SIGNAL and act accordingly, but for some reason, sometimes they IGNORE the SIGNAL... :-(
------PedroD

Not really 'IGNORE' perhaps; they could be in an uninterruptible sleep state such as blocked waiting on synchronous I/O. For some filesystems on some kernels (e.g. Solaris NFS) it is possible for a mount to go bad in such a way that any process trying to do anything with it gets stuck.

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Bill Cole
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