> On Jan 22, 2016, at 3:16 AM, Vojtěch Zeisek <vo...@trapa.cz> wrote: > > PS: Later yesterday I have received spam answering my original post. Spammer > is obviously subscribed and harvesting mails passing through the conference > and then mailing users off-list.
Just to clarify for everyone, the perpetrators of this kind of spam are *not* subscribed, at least not with the address (or one similar to it) that they are spamming from. I can say this because I’ve blocked the whole TLD (.xyz) from subscribing, and no .xyz emails are subscribed. It is of course possible that the perpetrators *are* subscribed with a legit-looking email, and then spam from throw-away addresses. This would be very difficult to combat (there are currently > 1000 subscribers to this list, making it futile to try to scrutinize every subscribed address). It is also possible (and much more likely IMO) that the perpetrators feed off of a public mailing list archive. I just noticed that the public mailman archive apparently does not obfuscate the sender addresses (which apparently is controlled by a setting not available to list administrators, but only to sysadmins at the host). I am probably going to make the list archives private, which would require people perusing an indexed public 3rd party mail archive (such as that at http://www.mail-archive.com/r-sig-phylo@r-project.org/). Those are much more usable than the mailman archive anyway, so perhaps the impact of this step in terms of accessibility may be small. -hilmar -- Hilmar Lapp -:- genome.duke.edu -:- lappland.io
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