<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">In addition: Lists should keep the From address, the Subject, and the Message totally unchanged. They should add a Sender header to indicate their relay role, and set at least the List-Id and List-Unsubscribe headers for mailbox rules and subscription management.<br class=""><div class=""><br class="webkit-block-placeholder"></div><div class="">
<div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 10px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;">Gerben Wierda<br class=""><a href="https://ea.rna.nl/the-book/" class="">Chess and the Art of Enterprise Architecture</a><br class=""><a href="https://ea.rna.nl/the-book-edition-iii/" class="">Mastering ArchiMate</a><br class=""><a href="https://www.infoworld.com/blog/architecture-for-real-enterprises/" class="">Architecture for Real Enterprises</a> at InfoWorld<br class=""><a href="https://eapj.org/on-slippery-ice/" class="">On Slippery Ice</a> at EAPJ</div>
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<div style=""><br class=""><blockquote type="cite" class=""><div class="">On 16 Sep 2019, at 15:21, Gerben Wierda <<a href="mailto:gerben.wierda@rna.nl" class="">gerben.wierda@rna.nl</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html; charset=us-ascii" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">The footer that is added to each message in this list is not DKIM (and thus DMARC) compatible. DKIM requires the ability to create a signature on a set of headers and the body. By changing the body, the DKIM signature fails and the resulting messages sent by the mail list may in the future be blocked by more and more mail servers.<div class=""><br class=""></div><div class="">Maybe it is a good idea to make the list DMARC-compatible.</div><div class=""><br class=""><div class="">
<div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 10px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">Gerben Wierda<br class=""><a href="https://ea.rna.nl/the-book/" class="">Chess and the Art of Enterprise Architecture</a><br class=""><a href="https://ea.rna.nl/the-book-edition-iii/" class="">Mastering ArchiMate</a><br class=""><a href="https://www.infoworld.com/blog/architecture-for-real-enterprises/" class="">Architecture for Real Enterprises</a> at InfoWorld<br class=""><a href="https://eapj.org/on-slippery-ice/" class="">On Slippery Ice</a> at EAPJ</div>
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