Re: yahoo sending to me is timing out
- On 06/04/2011 02:59 AM, Eric Smith wrote:
> Hello postfix world,And what have you configured that produces this message ?
> I seem to be receiving all of my emails excepting some from people who
> have emails with yahoo email acounts.They are either taking up to 20 hours
> in yahoo's queue or being returned.
> The postfix is a spam filter (amavis/clamscan/SA) for an exchange forest
> of 55 users, not many, so not much of a load. I am not getting any reports
> from other legitimate domains sending us emails having this issue. I have
> tried a bunch of things found on the internet, but the errors still exist.
> This was not a problem on my prior filter build on postfix 2.2.10. I had
> generally ignored such errors as my thinking was that these were caused by
> poorly designed bots, that may be a mistaken assumption with this more
> current postfix. I am thinking that there is more controls that I might be
> missing. So please find below an error from a client at yahoo, examples or
> the errors in postfix logs and my postfix -n output.
> Thank you for any help or insights that you may have!
> Client errors are like this,
> Sorry, we were unable to deliver your message to the following address.
> Message expired for domain techsoft3d.com<http://techsoft3d.com/>
>Disable TCP windowing; there was a thread on this list not 3 days ago
> Getting these sorts of errors from yahoo on my postfix 2.8.1 server,
> Jun 3 17:32:02 loki postfix/smtpd: connect from
> Jun 3 17:32:02 loki postfix/smtpd: C012C640593:
> Jun 3 17:32:02 loki postfix/smtpd: lost connection after RCPT from
> Jun 3 17:32:02 loki postfix/smtpd: disconnect from
> tcp_windowsize = 256
detailing how it can cause hard-to-find network issues.