IF I understand this, it would be that non-UMN subscribers would have their UMN list mail delayed.  Thus, if those non-UMN subscribers have their own grey list, then the mail will be doubly delayed.  AND if the non-UMN subscribers also have a LISTSERV DISTRIBUTE backbone greylist system, maybe triply delayed?  Greylisting is the new Blacklisting?

/Pete

On 3/28/2017 10:34, Jane Jewett wrote:
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This is of direct concern to me as I run several lists through the U of MN listserv server -- and those lists include lots of non-U of MN subscribers.

What are the potential implications for non-U of MN subscribers with use of postgrey?

On Tue, Mar 28, 2017 at 9:30 AM, Pete Weiss <[log in to unmask]> wrote:
What are the implications for list subscribers from outside UMN.EDU? and do they know it? e.g., maybe it is sufficient for UMN.EDU subscribers and not necessary (or perhaps not desirable) for non-UMN.EDU?

Pete

On 3/28/2017 10:26, Jane Gehan wrote:
Hello, We are running postgrey on our incoming email servers, except the listserv server. We are planning to begin using this on our listserv server soon. We will either share a grey list database with our other servers, or set one up for use exclusively by the listserv server.


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--
Jane Grimsbo Jewett
Minnesota Institute for Sustainable Agriculture
www.misa.umn.edu
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