On 2010-11-25, Wietse Venema wrote: > Looks like Microsoft has "bluewashed" the Frontbridge software > after acquiring that company (i.e. they replaced the alien code > by their own). Bluewashing is the word at IBM for this process.
We have reported this bug to Microsoft through our clients who are also paid users of these services. > You can safely whitelist the entire 66.55 Microsoft address block: > > /etc/postfix/main.cf: > smtpd_discard_ehlo_keyword_address_maps = cidr:/etc/postfix/helo_fixes > > /etc/postfix/helo_fixes > 65.55.0.0/16 silent-discard pipelining > > I can add a workaround to Postfix code, just like I did for a > widespread and persistent CISCO PIX bug, but it will take years > before it reaches wide deployment, because Postfix does not have > a tradition of frequent forced upgrades to the latest release. Thanks for that. If you do implement a workaround we will deploy it to our postfix installations. In the short term, we will have to deploy a fix to stop this causing issues, so we'll whitelist the microsoft ranges and the known frontbridge ips. Hopefully this will be a shortterm problem and we will get a quick response from microsoft for this bug. ;-) -- Regards, Stephen Thorne Development Engineer Netbox Blue