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Creating Visual Indicators for spoofed / external emails with PowerShell
I've been managing mail service for users for a lot of years now. I don't do it daily but I've spent my fair share of time analyzing spam emails. Mail vendors are doing what they can fighting spam, but it's not easy. Each month, each year spam is getting more sophisticated. Spam emails either look like a legit email, or worse someone is targeting your company trying to get them to transfer money into a wrong account. While most of those end up in spam, there are those that come thru. It's even worse if the company you work with has not implemented SPF or their SPF is configured to soft fail which can't be treated as spam.
Read moreNo account settings were returned from the Autodiscover response – Microsoft Exchange 2016
Recently one of our users reported that after name change she can't login to Outlook anymore. She can only work on Outlook Web Access ...
Read moreMicrosoft Exchange Approval Assistant – Your message couldn’t be delivered because delivery to this address is restricted to authenticated senders
While not being able to accept or deny messages in hybrid scenario was solved in earlier post, now that people could approve posts they were getting ...
Read moreA number of emails failed to be processed by GFI MailEssentials
Recently in not really long time one of our Clients reported that GFI Mail Essentials started reporting that a number of emails failed to be ...
Read moreOffice 365 – onmicrosoft.com address missing from user synchronized from Active Directory
Onmicrosoft.com address is standard email address used by Office 365. While usually Clients tend to use their own domains onmicrosoft.com has it's specific use ...
Read moreUpgrading Exchange 2010 SP3 to Rollup Update 18 fails with blank webpage
Upgrading Exchange 2010 SP3 to Rollup Update 18 is fairly smooth process. This rollup update is part of standard Windows Update feature, you go in, ...
Read moreMicrosoft Exchange – OU picker is empty when creating new user
We've migrated one of our Clients fairly early but recently we got complain that when new user is created from ECP on Exchange 2013 ...
Read moreSuggestions are not provided because most attendees are not available during your working hours
"Suggestions are not provided because most attendees are not available during your working hours." - is one of those messages you look at and think.. ...
Read moreGFI MailEssentials – License counting explained
If you follow our Technical Hub you may have seen our earlier entry about counting GFI licenses. At that time we were just surprised ...
Read moreOffice 365 – Adding email addresses based on Email Address Policy
Email Address Policies are bread and butter in Microsoft Exchange world. If you work with On-Premise Exchange 2007, Exchange 2010, Exchange 2013/2016 you most ...
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