On Thu June 10 2010 8:56 am, Vick Khera wrote: > On Jun 9, 2010, at 6:38 PM, Joey Kelly wrote: > > I get several errors, but the most obvious one is that I'm sending to too > > many recipients at one time. > > Are they rejecting your mail or just throttling you?
The ISPs are throttling me, but barracuda users are outright blocking me. > If this is a new IP address from which you're sending, they need to first > build up some reputation of whether those mails are wanted by their > customers. Over time, the mail will go through. What you may have to do > is configure postfix to trickle the mail out to these places, say by > limiting it to 1 concurrent connection per destination domain. > > You do this by setting a transport map to map "yahoo.com" to the transport > "trickle". Then in master.cf you create a copy of the "smtp" line and > change "smtp" to "trickle", and then in main.cf you set > "trickle_destination_concurrency_limit = 1". The postfix list will provide > more help if you need it. Ahh... that's what I was looking for... some way to throttle SMTP. Thanks. > > Once yahoo/aol/gmail/hotmail get used to your IP, you can bump up the > concurrency until ultimately you don't need the throttle anymore. > > That and using DKIM is a great idea. Just be sure to strip any DKIM on the > incoming messages first so as not to confuse the remote verifiers. I was planning on setting up SPF, but the more the merrier. -- Joey Kelly Minister of the Gospel and Linux Consultant http://joeykelly.net 504-239-6550
