I'm using v. 4.92beta now and after implementing DKIM I was very eased, and relieved, to see that all my mails, sent under various domain names, arrived straight in the inbox of webmail accounts with Google, Microsoft and Yahoo. (In the details i found 'pass' for spf, dmarc and dkim). Correctly configuring my mailinglists was more of a challenge, but in the end my 'testlist' seemed to work as well. However, other problems now come out of the woodwork. The emails from a mailinglist now have the listaddress as from-address but the name of the original sender, if available, is still visible. The problem is, when someone replies to such an email, they still see that name and more and more often the real address, the listaddress, is hidden from view! Of course subscribers think that they are replying to the original sender and not to the list and this is causing endless confusion and sometimes embarassement. [The fact that, until not very long ago, clicking 'reply' did indeed create an email for the original sender (you had to click 'Reply all' to send a reply to the list) doesn't help much either:-)] I wonder: would not a header like 'reply-to: [list title] <listaddress>' solve this problem and would that be hard to implement? If not, I sure hope someone will tell David and I hope he'll see fit to interrupt his search for the infamous 'memory leak' to do so since it is, i.m.o., really threatening the whole functionality of 'discussion' lists which has been a very much appreciated part of Mercury since the beginning. BTW, As the option 'DMARC-specific' for 'List from-address rewriting' gave unsatisfactory results, I opted for 'Always rewrite' everywhere. BTW2, the option "Force replies to go to the list (using the reply-to header)' is still available but understandably defunct. Hans