Dear LincolnTalkers, We on the LincolnTalk administrative cabal recently received a technical question that I, the Nerd In Chief, did not know the answer to. I forwarded it to our service provider, and received a detailed and interesting answer, which I thought I'd share with you all.
The question: ... it is not clear to me why it is that some users' email addresses appear > in the "From" column in contrast to others whose "From" column is populated > with LincolnTalk. Were I to choose, I'd prefer the former in most instances. The answer: This difference in how your pairList's "From" address appears is based on the sender's address and mail provider. Some mail providers restrict which servers can forward/redistribute mail from their domains. For example, aol.com does not permit other mail carriers to distribute mail from their domains. So, when a pairList user at aol.com uses the pairList, our servers cannot send that message out to your list membership with a From address @aol.com. If we were to attempt to send that mail as such, all other mail servers would flag it as spam, and report our server as fraudulently sending mail from the aol.com domain without authorization. So, in such cases where our servers are not permitted by the actual sending domain owners to re-use that From address the pairList server will instead change the From address to simply be the list address itself. Right now, your list is configured to only do this when necessary (as determined by the sending domain's DMARC policy). So, some users mail will be sent as expected, and some users mail will have to have its From address modified. If you would like to set a constant behavior so that the message at least always appears with the same formatting, there are two options that are both available in your list administration. The "Munge From" option is what is happening now when applicable, and if enabled will cause ALL list messages to be appear as such: "From: lincoln@lincolntalk.org" The "Wrap Message" option replaces the "From" header with the list address itself, but leaves the original sending address present in the "Reply-To" header. This Reply-To header is frequently what mail programs actually display in the "From" column anyways, and also means that recipient replies would go straight back to that individual, and not the list. -- Jonathan Feinberg eec...@gmail.com http://MrFeinberg.com/ <http://mrfeinberg.com/>
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