EXCHANGE ONLINE – Tayfun TEK

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…

EXCHANGE ONLINE MICROSOFT 365

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…

EXCHANGE ONLINE MICROSOFT 365

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…

Azure AD EXCHANGE ONLINE

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…

EXCHANGE ONLINE MICROSOFT 365 MICROSOFT TEAMS outlook

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…

EXCHANGE ONLINE MICROSOFT 365

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…

EXCHANGE ONLINE MICROSOFT 365

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…

EXCHANGE ONLINE MICROSOFT 365 outlook

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…

EXCHANGE ONLINE MICROSOFT 365

Exchange Online Mailbox Login Guide

Welcome to the comprehensive guide for accessing your Office 365 - Exchange Online mailbox securely. 1. Accessing the Login Page Open a web browser and navigate to the outlook.office.com login…

EXCHANGE ONLINE MICROSOFT 365

PST dosyalarını toplu bir şekilde Office 365’e import etme yöntemi

Migration'ların en baş ağrıtıcı kısmı eski emaillerin yeni posta kutularına taşınmasıdır. Bu noktada bazı otomatik migration senaryoları konumlandırılabilir. Fakat migration desteklenmeyen durumlarda yedek aldığımız pst dosyalarını import etme süreci, kullanıcı…