![]() After all, spammers don’t usually reuse email addresses but they do reuse tactics (for a certain period of time at least).Īgain, in this case we’re only going to focus on the first example as the other 3 examples were filtered out correctly already. Instead of blocking this kind of spam per email address, you might prefer something more generic so that all future spam from other email addresses are blocked as well. Note: Don’t be bothered with emails that are already filtered into the Junk Email folder Only focus on what’s still coming into your Inbox. Gear icon in the top right-> View all Outlook settings-> section Mail-> Rules-> Add new rule-> Condition: Message header includes.If you want to do this in Outlook on the Web, or the New Outlook for Windows, you can create rules via Click Next until you finish the Rules Wizard.In the bottom section, click on “specified” to select your Junk Email folder.Action: move it to the specified folder.In the bottom section, click on “specific words” to specify the address that you found in the message header.Condition: With specific words in the message header.Start from a blank rule: Apply rule on messages I receive.Instead we can block it by using a Message Rule which looks for the address in the Message Header. Now that you’ve found the actual From address, we can block it but unfortunately not by adding it to the Block Senders list as Outlook doesn’t recognize the From address. So more specifically, I requested whether the first example can also be properly recognized as spam and additionally whether to make the Outlook user interface more resilient and robust so it will still recognize the SMTP address and not break, amongst others, the Contact Card and Junk Email end-user features. In their defense The bottom 3 examples were successfully filtered out as spam, so I’m not really bothered with those. I’ve asked the Outlook Team and the Exchange Team for clarification regarding the handling of messages with this malformed (not RFC compliant?) From addresses. Bug, feature request, or more aggressive scanning needed? Or it simply only shows an email address without a display name and without enclosing the email address in angle brackets. The breaking part happens in the second part where a comma and a dash character is directly in front of the opening angle bracket (no space in between).įor the remaining 3 examples it is a bit more obvious why they don’t show a From email address They simply don’t contain a valid one.įor reference, it most cases, it normally looks like this Looking at the first example, the beginning of the found From header in our example looks interesting but it is “merely” a Base64 encoded UTF-8 string. If you want, feel free to skip this part and directly go to one of the 2 workarounds. OK, things get a bit more technical from here. Part of a Message Header with a suspicious From field. In some cases, you might now see that there actually is a From address specified, but it might not look as expected.įor the affected Junk Emails I received, they had From fields similar to the ones below (Yes, that is followed by a colon and a space) Since we are dealing with a “missing” From address, search for: From: To more easily analyze it, copy/paste the contents from that field into Notepad. In the Reading Pane, click the 3 dots menu which is in the same line as the Reply, Reply All, and Forward button-> View-> View Message Details Internet Message Header What is going on?Īs always, when I encounter a “curious” message (and especially when it bypasses the Junk Email Filter), the first thing I do is looking at the Message Header.ĭouble click on the message to open it in its own window-> File-> Properties-> field: Internet headers Luckily, with a workaround, you can still successfully block these emails. I personally received some as well and not all of them were filtered out by the (Exchange Online) Junk Email Filter either. The Contact Card doesn’t open when hovering over the name in the From field in the Reading Pane.Outlook on the Web and the New Outlook for Windows.The Contact Card does not contain an email address.No Contact options are shown when right clicking on the From field in the Reading Pane.The Junk command is displayed but doesn’t do anything.There indeed seems to be going around some junk emails which result in broken Outlook user interface elements when it comes to recognizing the From address. Right clicking on the message in the message list doesn’t allow me to block it either. Also, when I hover over the name or right click on it, it doesn’t open a Contact Card with more info. The From field only shows a name but no email address. Recently, I’m getting more an more spam in my Inbox with no email address.
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