On Mon 22 Aug 2016 at 12:06:00 +0200, Thomas Schmitt wrote: > Brian wrote: > > There is no way of telling from his mails whether he is subscribed or > > not. > > There is a strong correlation of mail header "X-Spam-Status:" content > and the reply activity on this list. (I assume Mutt 1.5.23 offers a way > to see all headers.)
It does. It is a competent MUA. :) > People who reply to list-only posts very often have > > X-Spam-Status: ...,LDOSUBSCRIBER,... > > while people who first show up as posters of questions often do not > have this text snippet in their X-Spam-Status. Sending mail to -user and receiving mail from it are different processes. The lack of LDOSUBSCRIBER in a header does not indicate the poster is unable to receive responses to a posted mail. He could be subscribed under another address. > The assumption that Vitalij is not subscribed is further supported by > the fact that he only replied to my mails which are Cc'ed to him. I made the assumptions he was receiving mails through another route and did not want to reply to anyone else.