Gary Smith: > Lately I have found that my outgoing queues are getting a little clogged for > yahoo and sbcglobal.net. This usually coincides with a bulk set of news > letters sent out from a couples clients. Typically we are seeing that they > dump about 2000msg/per batch, with no more than one batch per week (usually > on Friday nights). The problem is they do it in one fatal swoop. When this > happens, we seem to get rate limited from yahoo/sbcglobal for a few hours, > which directly affects our other users. > > Some time ago I put a rate limiter in place for AOL/yahoo/sbcglobal/gmail so > we wouldn't be bombarding but I don't think that it's being honored, probably > because I missed something. When I do a postconf I don't see my rate > limiter, which is in main.cf, listed there. I'm not sure if that's by design > or part of a misconfiguration on my part. Mail goes out from different sets > of servers, with the same public IP, so rate limiting will only affect the > bulk mail queue. > > Is there something obvious that I missed? > > master.cf: > ratelimit unix - - n - 3 smtp > > rate_limit_transport: > aol.com ratelimit: > yahoo.com ratelimit: > sbcglobal.net ratelimit: > gmail.com ratelimit: > > main.cf: > ratelimit_destination_concurrency_failed_cohort_limit = 100 > ratelimit_destination_concurrency_limit = 10
This DOES NOT limit your delivery RATE!! This limits only the delivery CONCURRENCY. To limit the delivery RATE, see http://www.postfix.org/postconf.5.html#transport_destination_rate_delay. Wietse