A couple of months in the past it was delivered to our consideration that spam emails containing inappropriate content material are being despatched out and that it seems they’re coming from a Buffer-owned area (buffermail.com). The emails are usually not coming from Buffer or from buffermail.
On this publish, we’ll do our greatest to clarify what has been taking place to date for anybody who has been impacted.
To begin, many people are receiving emails with suspicious headlines like “Whats up, e mail id” or “bundle ready.” These emails seem to be coming from a Buffer area. In actuality, we are able to see that they’re coming from one other area and try to masks their content material as coming from Buffer — that is referred to as e mail spoofing.
We needed to be completely sure that this type of e mail spoofing was certainly the reason for this situation. To substantiate this, we analyzed the unique mail headers to confirm the place the emails had been coming from. We discovered the headers clearly displaying the verification checks had failed as anticipated within the case of spoofed mail. We additionally discovered that the servers sending the emails didn’t belong to us or any companies that we’ve got ever used. So ultimately, we had been capable of verify that this situation was not a results of a misconfiguration on our finish.
Most often, spam filters from e mail suppliers choose up on this habits and don’t put that content material in the primary inbox. Nonetheless, there may be at the moment a problem with Microsoft Outlook and Hotmail the place this type of content material is just not being despatched to spam folders.
As of January 2023, Microsoft has acknowledged that they’re conscious of this situation and are working to repair it.
We want there was extra we may do on this state of affairs because the attackers are impersonating a Buffer area — we’ve exhausted our listing of choices, although, and the remaining work lies with the e-mail suppliers to raised filter these spam messages.
