A couple of years ago we started feeding our incoming Listserv mail through our IronPort spam appliances and that pretty much killed off this problem. I guess any spam filtering engine will work but you need one in the same way you need one for your general e-mail server.
Melissa
From: LISTSERV Site Administrators' Forum [mailto:[log in to unmask]] On Behalf Of Larry Finch
Sent: Friday, March 6, 2015 1:53 PM
To: [log in to unmask]
Subject: Re: [LSTSRV-L] requests to post sent to Editor
The problem with this, which we used several years ago, is that it opens you up to "bounce back" spam when the listserv sends a reject. A high volume of bounce backs gets you flagged as a spammer by many ISPs. That's the same issue as the non-member solution (which otherwise sounds elegant). At the peak we were rejecting 500 messages an hour.
That's why we started blocking at the postfix level.
Larry
--
Larry Finch
Sent by iPhone
On Mar 6, 2015, at 1:23 PM, Greg Dietrich <[log in to unmask]<mailto:[log in to unmask]>> wrote:
A number of our more active Announce Only lists (Send=Editor, Hold, Confirm, All) have been getting hammered since mid-January.
I think our solution is going to be a wholesale change from Editor to Owner (,Confirm) for all of our lists. We’ve already unplugged most of the feedback LISTSERV gives to unauthorized users but the spammers have a long memory it seems.
Greg Dietrich
SCO ListServ Administrator
Office of the State Controller
(gdietrich) at [sco.ca.gov<mailto:[log in to unmask]>]
From: LISTSERV Site Administrators' Forum [mailto:[log in to unmask]] On Behalf Of Nathan Brindle
Sent: Friday, March 06, 2015 10:15 AM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: Re: requests to post sent to Editor
If your real concern is non-members, and you would prefer not to moderate members’ posts at all, you should probably just use
Send= Private
Then non-member’s posts are simply rejected out of hand.
Nathan
From: LISTSERV Site Administrators' Forum [mailto:[log in to unmask]] On Behalf Of F J Kelley
Sent: Friday, March 06, 2015 1:04 PM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: Re: requests to post sent to Editor
Thanks Nathan!
If my real concern were just non-members would
Send= Editor,Hold,Confirm,Non-Member
Send= (listname)
Would this allow members to post, but block non-members unless approved?
________________________________
From: LISTSERV Site Administrators' Forum <[log in to unmask]<mailto:[log in to unmask]>> on behalf of Nathan Brindle <[log in to unmask]<mailto:[log in to unmask]>>
Sent: Friday, March 06, 2015 12:31 PM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: Re: requests to post sent to Editor
Add “,Non-Member” to the Editor= setting. E.g.,
Send= Editor,Hold,Confirm,Non-Member
Makes unsubscribed senders confirm their own messages before they are forwarded to the editor. Note that you MUST also specify “,Confirm” with “,Non-Member” if it is not already specified. That requires Editors to confirm their own postings as well, which is a feature every moderated list should utilize (IMHO).
http://www.lsoft.com/manuals/16.0/listkeyw.html#kSend
Nathan
From: LISTSERV Site Administrators' Forum [mailto:[log in to unmask]] On Behalf Of Larry Finch
Sent: Friday, March 06, 2015 12:09 PM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: Re: requests to post sent to Editor
We implemented spam filters in postfix, which we could do because we control the Linux server in addition to listserv.
Best regards
Larry
Hmssurprise.org<http://Hmssurprise.org>
--
Larry Finch
Reach Me: +1.609.379.2756
Sent from my iPad
On Mar 6, 2015, at 11:30 AM, F J Kelley <[log in to unmask]<mailto:[log in to unmask]>> wrote:
Hi,
We have seen a huge surge in spam directed to lists that are configured as
Send= Editor ...
The editors can reject it, but it is becoming a flood. How are others dealing with this?
--Joe
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