Hi all, I'm looking for some help of postfix server configuration. hope this is the right place to ask. I have a mail server running iRedMail (which is based on postfix). It sends mails to our subscribers every 4s. I think this doesn't seem to be a very heavy load. however, there're likely 140,000 mails congesting after several days' running. So I tried qshape to analyse the queue, and found that almost all mails are congesting in incoming queue, while active queue reaches it's limit of 20,000 mails. Mails rarely went to deferred queue. I think this means something reaches its limitation. So I checked the following features, and this is the result: 1. CPU is not busy at all 2. Almost 3GB memory left 3. 3.2MB/s disk IO write, 0.01MB/s read. 4. Less than 20 postfix process (while limitation is explicitly set to 100) There seems to be nothing wrong (or did I miss anything?). Can anybody provide some more information on locating the problem? Any help is appreciated.
-- Regards, Yaoxing