Re: A plague of link spam ...

Stefan Kaltenbrunner <stefan@kaltenbrunner.cc> writes:
> On 03/16/2013 07:56 PM, Tom Lane wrote:
>> What I *would* like to see on the lists is some attempt at catching
>> link spam, because more and more of that has been getting through
>> lately.  I'm not sure all of it has been from yahoo accounts.

> working on it, spent a few hours yesterday and today to work on our
> filtering but it is not as easy as simply declaring "everything that is
> a very short mail and has a url in it is bad".
> We do have regular mailbox users (in the same namespaces as the list) as
> do we have lists that want to receive such stuff (say the sysadmin list
> getting an email about a failed http download from a cronjob with
> basically just the url).

Maybe that could be dealt with by whitelisting the expected senders
of such traffic?  Or maybe we could get away with blacklisting url-only
mails from yahoo and anyplace else that proves to be a problem?
        regards, tom lane