You can set the connection limits somewhere in main.cf. It will only try to make so many connections to the same IP. Postfix is also mindful of resources on the remote MTAs as to not over load them.
Linux Addict wrote: > Linux Addict wrote: >> Steven King wrote: >>> Postfix is very cautious about system resource usage. It keeps an >>> eye on >>> RAM usage, disk space, and CPU usage. >>> >>> I battered my postfix server with 200K mails once. Just for a stress >>> test. The load on the server went up sharply and was a bit sluggish but >>> postfix chugged along through it with very little impact to other >>> services running on the system. >>> >>> Linux Addict wrote: >>> >>>> We have a java mailer application which was hung and queued more than >>>> 100k mails. People are working to fix it. I am worried that all 100k >>>> mails may hit postfix server and cause some damage. >>>> >>>> Anyway I can prepare for it? >>>> >>>> ~LA >>>> >>> >>> >> Thanks! I am not just worried about the system performance, but >> possible blacklisting as it may send flurry of mails to external >> domains. >> >> ~LA > I am reading the TUNING_README and it looks like anvil seems to be > taking care of most things. -- Steve King Network Engineer - Liquid Web, Inc. Cisco Certified Network Associate CompTIA Linux+ Certified Professional CompTIA A+ Certified Professional
