I only want one child process but it seems to ignore the max children setting.

[Joost Waversveld]

> 2. Locking problems somewhere in the mix (either dovecot, or 
> sendmail, or procmail, or something). Keeping only one process 
> writing to the mailboxes seems to make it less likely.

[Offtopic]
Did you alter the locking type to posix when you're using sendmail 
8.13.x or higher
[/Offtopic]


Regards,

Joost