One more thing to remember when troubleshooting free/busy issues (EwsAllowOutlook and similar)

We often joke with my colleagues about our age that ​we need to take our ‘old-man’ pills to treat our forgetfulness (Our age is actually pretty young compared to what the average age of IT experts is in other countries). Well, there is definitely a reason in my case… Here’s how …

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SPF record for Exchange Online and DNS lookup limits… again

​Few months ago I blogged about the limitations that the recommended SPF record for any Exchange Online customer brings (you can find the post here). Sadly, things have changed for the worse – Microsoft have updated the SPF records on one of the included domains and in result now the recommended …

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