David, Thanks very much!! That sounds great. Here, everyone has already gone home for the weekend (we work Sun-Thu), but I will raise the possibility with the network folks on Sunday morning.
I hope this is not based on a very new linux. I see that the new ones cannot run on my somewhat antiquated z890. Thank you again, Shimon On Thu, Mar 10, 2011 at 7:34 PM, David Boyes <dbo...@sinenomine.net> wrote: > > I was wondering - is it really necessary for them to allow ALL anonymous > mail, or can it be selectively by IP address? Whoever had a bad dream about > > SMTP security, and decided to close the awful breach of anonymous email > would certainly prefer to allow only the IP of the z/VM system. > > > > Yes. Exactly how it’s done depends on the remote MTA. For sendmail, it’s > likely in /etc/mail/access. > > With the situation as it is today, that most SMTP servers do seem to > require > user/pwd authentication, it seems unfortunate that ours cannot authenticate > to the network server. Or is that something servers never do between > themselves, > just email clients? > > It’s something that more and more servers are starting to do (thanks to the > spam). The quickest solution to this problem is to set up a Linux guest on > your VM system and use that as a proxy. All of the Linux MTAs can do > server-to-server authentication. You then set your VM SMTP to point to that > guest, and the Linux guest deals with the outside world for you. > > I’ve got a prebuilt appliance for this if you want a copy. > > > > -- db > > >