by xxadminxx | May 25, 2021 | Uncategorized
When my customer was trying to email an external domain, they would receive an NDR with the error below. Inbound messages from that domain were being received by my customer without an issue. 550 5.7.51 TenantInboundAttribution; There is a partner connector configured...
by xxadminxx | Mar 3, 2019 | IT, Networking
“We are consolidating VLANs to simplify the network.” – So said a CIO in a request for me to come in to consult on a LAN “upgrade” project. The idea was to take my design below that ran beautifully for years: Anyway, they wanted to...
by xxadminxx | Mar 3, 2019 | IT, Networking
To be or not to be complexThat is the question As with so many questions about IT, the answer is “it depends“. Complexity for the sake of complexity, or letting ego drive your designs is a bad idea for a lot of reasons. You probably don’t need to...
by xxadminxx | Mar 1, 2019 | Commentary
SME (SONY Music Entertainment, Inc.) does it again. Those brave soldiers of greed have once again set forth on the field of battle to save the world from another bit of free enjoyment.You have undoubtedly seen this image when trying to view content on YouTube: Let me...
by xxadminxx | Feb 23, 2019 | IT
I ran into an email delivery issue the other day that seems likely to come up here and there. My customer could receive email inbound from a domain of a vendor they do business with, but suddenly could no longer send messages to them outbound.All I had to go on was...
