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]> 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]
> 
>  
>  
>  
>  
> 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]
> 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]
> 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]> on behalf of Nathan Brindle <[log in to unmask]>
> Sent: Friday, March 06, 2015 12:31 PM
> To: [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]
> 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
> 
> --
> 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]> 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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