Thanks for you hard work David! Mark On 8/6/20 1:09 PM, David Galloway wrote:
Hi all, As previously mentioned, blocking the gmail domain isn't a feasible solution since the vast majority of @gmail.com subscribers (about 500 in total) are likely legitimate Ceph users. A mailing list member recommended some additional SPF checking a couple weeks ago which I just implemented today. I think what's actually happening is a bot will subscribe using a gmail address and then "clicks" the confirmation link. They then spam from a different domain pretending to be coming from gmail.com but it's not. The new config I put in place should block that. Hopefully this should cut down on the spam. I took over the Ceph mailing lists last year and it's been a never-ending cat and mouse game of spam filters/services, configuration changes, etc. I'm still learning how to be a mail admin so your patience and understanding is appreciated.
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