Re: [Postfix Users] Re: Should I be removing first received header for client IP

2010-06-25 Thread Mark Krenz
On Fri, Jun 25, 2010 at 09:59:11PM GMT, /dev/rob0 [r...@gmx.co.uk] said the following: > > Email is a mess. All you can do is do things right, and hope the > other site does too. I know it doesn't feel like it, but this one > really IS the other site's problem. You said it. I often tell custo

Re: Should I be removing first received header for client IP

2010-06-25 Thread mouss
Mark Krenz a écrit : > Hi, this is more of a policy type of question, but I'm not sure who > else to ask right now. > > We are a small webhosting/email hosting provider. We offer our > clients authenticated SMTP relaying. One of our clients is complaining > because we don't strip out the fir

Re: Should I be removing first received header for client IP

2010-06-25 Thread /dev/rob0
On Fri, Jun 25, 2010 at 08:53:44PM +0200, M. Fioretti wrote: > FWIW, here's my case: > > http://stop.zona-m.net/digiworld/who-cancels-your-email-warning-infostrada-and-barracuda-users > > I *have* been put on a blacklist because the MTA of nexaima.net is > on a fixed IP address which AFAIK is on

Re: Should I be removing first received header for client IP

2010-06-25 Thread M. Fioretti
On Fri, Jun 25, 2010 17:46:10 PM +0100, Simon Waters (sim...@zynet.net) wrote: > On Friday 25 June 2010 16:06:26 Mark Krenz wrote: > > > > They also think that because we leave > > that in that they are having their IP put on blacklists. > > Ask for the bounced emails or other evidence for why t

Re: Should I be removing first received header for client IP

2010-06-25 Thread Mark Krenz
On Fri, Jun 25, 2010 at 04:46:10PM GMT, Simon Waters [sim...@zynet.net] said the following: > > Ask for the bounced emails or other evidence for why they believe this. > > I've seen all sorts of misunderstanding from people looking at such things, > so > simply ask for the evidence including h

Re: [Postfix Users] Re: Should I be removing first received header for client IP

2010-06-25 Thread Noel Jones
On 6/25/2010 11:29 AM, Mark Krenz wrote: On Fri, Jun 25, 2010 at 03:28:14PM GMT, Noel Jones [njo...@megan.vbhcs.org] said the following: Also note that some spam filters will add points for messages with no prior Received: headers, so sometimes you can't win either way. How would they kn

Re: Should I be removing first received header for client IP

2010-06-25 Thread Simon Waters
On Friday 25 June 2010 16:06:26 Mark Krenz wrote: > > They also think that because we leave > that in that they are having their IP put on blacklists. Ask for the bounced emails or other evidence for why they believe this. I've seen all sorts of misunderstanding from people looking at such thin

Re: [Postfix Users] Re: Should I be removing first received header for client IP

2010-06-25 Thread Mark Krenz
On Fri, Jun 25, 2010 at 03:28:14PM GMT, Noel Jones [njo...@megan.vbhcs.org] said the following: > > Some misconfigured spam filters check ALL received headers > against RBLs, causing false rejects. If your customer > frequently communicates with such a host, you may need to a) > contact the p

Re: Should I be removing first received header for client IP

2010-06-25 Thread Noel Jones
On 6/25/2010 10:06 AM, Mark Krenz wrote: Hi, this is more of a policy type of question, but I'm not sure who else to ask right now. We are a small webhosting/email hosting provider. We offer our clients authenticated SMTP relaying. One of our clients is complaining because we don't stri

Re: Should I be removing first received header for client IP

2010-06-25 Thread Matt Hayes
On 6/25/2010 11:06 AM, Mark Krenz wrote: > > Hi, this is more of a policy type of question, but I'm not sure who > else to ask right now. > > We are a small webhosting/email hosting provider. We offer our > clients authenticated SMTP relaying. One of our clients is complaining > because we