Previosly when we ran Mixmaster in daemon mode and injected mail either
via pop3 or the MAILIN method (reading a Maildir or an mbox), Mixmaster
only processed remailer-xxx requests at SENDPOOLTIME intervalls.
It might be in the interest of an operator to have a high SENDPOOLTIME -
like say an hour or two - to provide better security to their user.
However it is also important to answer remailer-xxx requests in a timely
This conflict of interests can be solved by adding yet another config
MAILINTIME specifies the amount of time between reading MAILIN and
processing those mails (as well as those injected via POP3). Processing
here means to answer -xxx requests and to add remailer mails to the
This is also done implicitly whenever Mixmaster is about to process its
pool or just fetched mail via pop3.