There's been a discussion of it on the MailOp mailing list - http://chilli.nosignal.org/mailman/listinfo/mailop - but you have to subscribe to view the archives. Recent posts have discussed finding the IPs that LinkedIn mail proxy servers are using to block them at the firewall.
Here's the LinkedIn blog post that describes in fairly good detail what they're doing - http://engineering.linkedin.com/mobile/linkedin-intro-doing-impossible-ios. On Oct 25, 2013, at 10:26 AM, Josh Smift <[email protected]> wrote: > My employer just sent around a link to a story about LinkedIn's new > service, http://www.bishopfox.com/blog/2013/10/linkedin-intro/ -- anyone > know anything that contradicts any of this? If not, it's pretty scary. > > -Josh ([email protected]) > _______________________________________________ > Discuss mailing list > [email protected] > https://lists.lopsa.org/cgi-bin/mailman/listinfo/discuss > This list provided by the League of Professional System Administrators > http://lopsa.org/ _______________________________________________ Discuss mailing list [email protected] https://lists.lopsa.org/cgi-bin/mailman/listinfo/discuss This list provided by the League of Professional System Administrators http://lopsa.org/
