


Listen and Respond to FBL Complaints – It is important to honor any unsubscribe requests whether a subscriber hits the spam button or the unsubscribe link. ” then slow down the traffic until these delays discontinue.” Note: We highly encourage senders to use their own “custom bounce domain”, “tracking domain” and “dkim sign” with their own domain.Ģ. We have limits for how many messages can be sent per hour and per day. The volume of messages that are delivered successfully on the first attempt will rise as Microsoft moves you to a higher reputation level.īest Practices: to avoid delays, start with 2,000 traffic to Outlook/Hotmail, double every day until you see “RP-001 (DYNAMIC CODE) Unfortunately, some messages from a.b.c.d weren’t sent. As your reputation develops over a 2–4 week probationary period, the delays will lessen and eventually discontinue. Delays are normal when developing an IP reputation. Warm Up New IPs – Microsoft will only allow 10,000 messages per day for new IP addresses. It will delay the remainder of messages sent from new IPs. Here are six best practices to help maximize Microsoft Outlook deliverability:ġ. Less-than-optimum scores can cause your messages to be “delayed” and/or “spam filtered.” Best Practices For Hotmail/Outlook Deliverability But we know that it analyzes signals that include content, authentication, and domain and IP reputation to create a “trustworthiness” score. Like all ISPs, Microsoft’s methods are proprietary.

Microsoft’s Outlook service-whether known by the brands Hotmail, Windows Live, MSN, or -uses a combination of factors to determine whether to treat a message as credible or as spam. Here’s what senders need to know to get the best Hotmail/Outlook deliverability and ensure their messages reach the inbox.

The Microsoft Outlook inbox is one of the major destinations for most email senders, especially those with large numbers of consumer subscribers. It also has a reputation for being somewhat tricky to get into.
