Many IP address outgoing messages
in [Postfix]
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From: Stan Hoeppner on 15 Apr 2010 18:41 Eduardo J�nior put forth on 4/15/2010 4:52 PM: > On Thu, Apr 15, 2010 at 6:35 PM, Stan Hoeppner <stan(a)hardwarefreak.com> wrote: >> Eduardo J�nior put forth on 4/15/2010 8:04 AM: >> >>> Due the high load of e-mails over my link, I want that >>> my messages outgoing through more IPs with only postfix box. >> >> If you only have one physical link, how will sending mail from multiple IPs >> within the same subnet solve your link congestion problem? > > > Currently my Postfix box outgoing e-mails through only one physical link, but > i have others available. A single DSL line can pump a half million messages/day. Why do you have so many outgoing messages that you're clogging your pipe? This doesn't seem like normal mail flow. -- Stan
From: =?ISO-8859-1?Q?Eduardo_J=FAnior?= on 16 Apr 2010 08:08 Hi, On Thu, Apr 15, 2010 at 7:41 PM, Stan Hoeppner <stan(a)hardwarefreak.com> wrote: > Eduardo Júnior put forth on 4/15/2010 4:52 PM: > >> On Thu, Apr 15, 2010 at 6:35 PM, Stan Hoeppner <stan(a)hardwarefreak.com> wrote: >>> Eduardo Júnior put forth on 4/15/2010 8:04 AM: >>> >>>> Due the high load of e-mails over my link, I want that >>>> my messages outgoing through more IPs with only postfix box. >>> >>> If you only have one physical link, how will sending mail from multiple IPs >>> within the same subnet solve your link congestion problem? >> >> >> Currently my Postfix box outgoing e-mails through only one physical link, but >> i have others available. > > A single DSL line can pump a half million messages/day. Why do you have so > many outgoing messages that you're clogging your pipe? This doesn't seem > like normal mail flow. The DSL line used by my Postfix box isn't reserved only to it, but shared with other services: VoIP, ftp and mainly http. Other physical links, one is ADSL and the other is a newly DSL purchased. And before of the new DSL, at certain times of the day, some messages delay substantially in delivery. And i control the traffic per service. This is the reason for my question. > > -- > Stan > -- Eduardo Júnior GNU/Linux user #423272 :wq
From: ram on 16 Apr 2010 09:04
On Thu, 2010-04-15 at 10:04 -0300, Eduardo Júnior wrote: > Hi, all > > > Due the high load of e-mails over my link, I want that > my messages outgoing through more IPs with only postfix box. > > I read about that, but not in official documentation. > > I want understand how this works and how to implement. > > Anyone could point me to the respective doc? > > > Thanks, > Why do you want to use many ip addresses , to circumvent ratelimits ? It is usually not a very good idea to spread mails over a large ip pool. What if any of your source servers get compromised and start sending spams. Then you will be sending spam over a large number of ip addresses and will get yourself in a lot of trouble for "snow-shoeing" spam If you are sending mails for mutliple senders use sender_dependent_default_transports for spreading mails over different ips. That not only helps ratelimits ,but also isolates one sender from another. Ofcourse there would be times where you would *really* have to use multiple addresses , for eg when sending to a blackberry server, with unreasonable rate thresholds, .. in that case you may have to patch postfix ( until Wietse releases this feature ) Thanks Ram |