Microsoft 365 Teknik Destek ve Danışmanlık

Merhaba, Ben Tayfun Tek, yaklaşık 5 yıl boyunca Microsoft 365 teknik destek biriminde görev alarak, yüzlerce işletmenin operasyonlarını kesintisiz sürdürmesine yardımcı oldum.Bu süreçte hem teknik sorunların çözümü hem de Microsoft 365 altyapısının doğru şekilde yapılandırılması konusunda kapsamlı deneyim kazandım. Bugün, bu bilgi birikimimi bireysel danışman olarak sizlerle paylaşıyorum.Amacım, Microsoft 365 çözümlerini kullanan işletmelere hem günlük [...]

By |2025-10-06T19:08:03+03:00October 6th, 2025|Azure AD, EXCHANGE ONLINE, MICROSOFT 365, MICROSOFT TEAMS, outlook, SHAREPOINT|0 Comments
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How to Make Microsoft 365 Send Emails to an External Mail Server for a Trusted Domain

When you add a domain to your Microsoft 365 tenant, Exchange Online assumes that emails for that domain are hosted in Microsoft 365. But in some scenarios, your mailboxes are hosted externally, on another mail server and you just want Microsoft 365 to relay messages to that external system. If you don’t configure this properly, [...]

By |2025-07-08T11:40:41+03:00July 8th, 2025|EXCHANGE ONLINE, MICROSOFT 365|0 Comments
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Managing Inbox Block/Allow Lists for All Mailboxes in Exchange Online Using PowerShell

As an administrator, managing mailbox settings for hundreds or thousands of users in Exchange Online can be daunting. There are multiple ways for making incoming email traffic more secure. Besides the tenant features, you may want to manage inbox level block or allow lists. Doing this manually is time-consuming, but with PowerShell, you can automate [...]

By |2024-12-22T23:53:26+03:00December 22nd, 2024|EXCHANGE ONLINE, MICROSOFT 365|0 Comments
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Office 365’ten Büyük PST Dosyalarını Tek Parça Halinde İndirme

Microsoft Office 365 kullanırken, özellikle e-posta arşivleme ve yedekleme işlemlerinde PST (Personal Storage Table) dosyaları hayat kurtarıcı olabilir. Ancak, Microsoft'un varsayılan ayarları gereği, PST dosyaları bozulma riskini minimize etmek için 10 GB'lık parçalar halinde indiriliyor. Bu durum, büyük veri setleriyle çalışan kullanıcılar için zaman zaman verimsiz olabiliyor. Bu blog yazısında, PST dosyalarını tek parça halinde, [...]

By |2024-08-02T01:48:27+03:00August 2nd, 2024|EXCHANGE ONLINE, MICROSOFT 365|0 Comments
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How to Prevent Specific Microsoft 365 Users from Changing Their Profile Photo

Preventing Microsoft 365 users from changing their profile photos can be important for complying with company policies or maintaining a specific brand identity. In this post, I'll show you step-by-step how to restrict certain users from changing their photos in Exchange Online. Steps to Follow: 1. Create a New OWA Mailbox Policy First, you need [...]

By |2024-07-11T10:33:33+03:00July 8th, 2024|Azure AD, EXCHANGE ONLINE|0 Comments
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Resolving the Issue of the Outlook Teams Add-In Not Working After Switching to New Teams

After switching to the new Microsoft Teams, users may encounter a problem where the Teams add-in for Outlook no longer functions correctly. This can prevent you from scheduling Teams meetings directly from Outlook, disrupting your workflow and causing inconvenience. The Solution Fortunately, the solution to this problem is straightforward and involves reinstalling the Teams add-in. [...]

By |2024-07-03T16:18:20+03:00July 3rd, 2024|EXCHANGE ONLINE, MICROSOFT 365, MICROSOFT TEAMS, outlook|0 Comments
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Deleted Emails Keep Coming Back into Deleted Items Folder

If you've been trying to delete emails from your Exchange Online mailbox only to find them reappearing, you're not alone. This issue can be frustrating, but there are effective solutions to ensure that deleted emails are permanently removed from your mailbox. In this blog post, we'll explore the steps to achieve this, focusing on emptying [...]

By |2024-05-29T22:48:42+03:00May 29th, 2024|EXCHANGE ONLINE, MICROSOFT 365|1 Comment
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New External Recipient Rate Limit for Exchange Online

Today, I have an important announcement to make. Starting in January 2025, Microsoft will implement a new external recipient rate limit for Exchange Online. From that date, you will be able to send emails to a maximum of 2,000 external recipients within a 24-hour period. Why This Change? Microsoft has stated that Exchange Online does [...]

By |2024-05-16T01:20:00+03:00May 16th, 2024|EXCHANGE ONLINE, MICROSOFT 365|0 Comments
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A Step-by-Step Guide to Office 365 SMTP

How to send email via SMTP with Office365? In this guide, we'll explore the basics of sending emails via SMTP with Office 365, highlighting key considerations along the way. Key Considerations for Email Sending: Ensure the SMTP is activated for the mailbox. Is MFA Enabled? SMTP may require MFA to be disabled for seamless operation. [...]

By |2024-05-14T22:55:29+03:00May 14th, 2024|EXCHANGE ONLINE, MICROSOFT 365, outlook|0 Comments
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