Re: Google rejecting IPv6 mails

2013-10-01 Thread Thorsten Glaser
Dominik George dixit: >I somehow consider Google not fit for anything a mail server should They are not fit to do eMail, period. When they try to send eMail to my own MX, they retry (after getting a temporary error from greylisting) from a _different_ sender IP, thus (obviously) not getting thro

Re: Connection caching/SMTP piggybacking and postfix?

2013-02-28 Thread Thorsten Glaser
On Thu, 28 Feb 2013, Wietse Venema wrote: > > That?s untrue because it certainly makes a difference whether you > > send mails in parallel or serial, especially when the receiving > > Connection caching has nothing to do with concurrency. Sheesh. I was assuming that, when you already have a conn

Re: Connection caching/SMTP piggybacking and postfix?

2013-02-28 Thread Thorsten Glaser
On Thu, 28 Feb 2013, Reindl Harald wrote: > if you have a VERY HIGH amount of outgoing mails to send > you can not expect that this works in burst with only > one outgoing server - nothing will change this Yes well, we have three, but I’m running into firewall admins currently so in practice ther

Re: Connection caching/SMTP piggybacking and postfix?

2013-02-28 Thread Thorsten Glaser
On Thu, 28 Feb 2013, Reindl Harald wrote: > > Then just don’t do that… keep it in the other process > did you try to understand how postfix works? i guess no If the way something works makes it impossible to do something that is a requirement it says something about the way that particular somet

Re: Connection caching/SMTP piggybacking and postfix?

2013-02-28 Thread Thorsten Glaser
On Wed, 27 Feb 2013, Viktor Dukhovni wrote: > No, connection caching has nothing to do with concurrency. Whether > connections are cached, or not, Postfix will attempt parallel > delivery up to the configured concurrency limit: Hrm. Okay, lowering default_destination_concurrency_limit is certain

Re: Connection caching/SMTP piggybacking and postfix?

2013-02-28 Thread Thorsten Glaser
On Wed, 27 Feb 2013, Wietse Venema wrote: > Well, how does one migrate **AN OPEN TLS SESSION** from one process > into the other? I am not aware an OpenSSL API for doing that. Then just don’t do that… keep it in the other process. (I think OpenSSH does that, though probably not standard TLS.) b

Re: Connection caching/SMTP piggybacking and postfix?

2013-02-27 Thread Thorsten Glaser
Wietse Venema porcupine.org> writes: > deliveries. Proper SMTP connection caching is not done by the SMTP > clients but by a separate process that is queried by SMTP clients. If you don’t manage to do that with TLS, this statement is plainly wrong. Connection caching is a matter of also being ni