Mark’s notes: * Anti-spam providers should also be engaged. For example, a bug found recently in EAI support within EOP (the protection service within Office 365) is the reason that EAI support for Exchange Online (EXO) is currently disabled. * Creating ‘rules’ for aliases is an important feature for both software and service providers. * We should be willing to create Informational RFCs and defend them. * Types of things we can put forward in an informational RFC: * Adding a bootstrap alias to the body of a message * Dealing with aliases may be script-specific * Determining rules and formats for NDR messages * How to handle when email address looks like EAI (e.g. Unicode@Unicode) but the UTF8 declaration is missing * What to do when local part contains ACE prefix (i.e. “xn—“) and when remainder is compatible with Punycode transformation * When to normalize local parts (consensus was that we shouldn’t ever change local parts, so this informational would just be a documentation of that consensus) * Normalization can modify digital signatures * Suggestions to mailbox providers regarding which Unicode compositions are preferred * Different providers handle messages sent to multiple senders differently. * Shodun search engine may provide insight. * About 10% of XIM deployments are supporting EAI. That seems bad, but actually at the rate of uptake of those patches, it will be 50+% in 3 years. * I think we agreed that we would advocate for IDNA2008 with compatibility mode to prevent spoofing of German, Greek and Cyrillic – but actually not sure if we got consensus or not * Since reputation if the current approach to anti-malware (as opposed to blocklisting), we should be testing SPF/DKIM. * Local networks can be a problem (anecdote about hotel breaking SMTPUTF8) * I wrote that there is an “EAI ambiguity” in the RFC 5228 Sieve, but I didn’t capture the nature of the ambiguity… Mark’s action items: * Clarify is sending-to is currently supported differently than receiving-from in EXO. This would be a transient issue (since support is nominally disabled for both at this time) but it is interesting to investigate. * Get Outlook bugs in Thailand from Throughwave and my local contact there * Contact Terry Zink (Microsoft EOP) and see if he can represent UASG/EAI in Lisbon Jun 12th. From: ua-eai-bounces@icann.org [mailto:ua-eai-bounces@icann.org] On Behalf Of Don Hollander Sent: Saturday, April 15, 2017 5:57 PM To: ua-eai@icann.org Subject: [UA-EAI] Draft Notes Please find attached my draft notes rom the EAI Meting. Please advise of any suggested changes Don