Exchange Online - IT - Solutions

Create a Mail Transport Rule to BCC Emails to Another Mailbox

This article has not been completed yet. However, it may already contain helpful Information and therefore it has been published at this stage. The goal is to deliver mails to

Office 365

How to Whitelist a Domain in Office 365

This article has not been completed yet. However, it may already contain helpful Information and therefore it has been published at this stage. References: How to Whitelist a Domain in Office 365 /*! This file is auto-generated */ !function(c,d){"use strict";var e=!1,

Cloud

How to Set Up an Office 365 SMTP Relay

This article has not been completed yet. However, it may already contain helpful Information and therefore it has been published at this stage. Prerequisites:an Office 365 Subscription. If you do not have this yet, you can Sign up for an Office 365 E5

Cloud

Docker Office 365 Mail Relay

This article has not been completed yet. However, it may already contain helpful Information and therefore it has been published at this stage. Setting Up Office 365Collecting Setup - Informations (Office 365 MX record)Setting Up the Docker Mail-Relay Containercd /var/lib/docker/custom_

Exchange Online

How to display mailbox sizes sorted by size

Below a small powershell script with which you can connect to Office 365 and retrieve all mailboxes by size. # Prequisites: # Install Chocolatey # Set-ExecutionPolicy Bypass -Scope Process -Force; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1')) # Install Powershell Version 5.1 # choco

Exchange Online

How to avoid Spam (Part 4) - Implementing SPF (Sender Policy Framework)

What is SPF, how does it work and what parts does it consist of? SPF is short for Sender Policy Framework (formerly Sender Permitted From). SPF determines whether or not a sender is permitted to send on behalf of a domain. If the sender

Exchange Online

How to avoid Spam (Part 3) - Implementing a country based email filter

In the second part of this series I showed you how to block specific IPs (Exchange & Exchange online). See link below: Link An additional way to reduce the amount of spam is to limit the countries (and languages) you want to get emails

Azure

Microsoft's Action Pack Subscription - a way to reduce IT costs for small businesses and still move into the digital future

Companies (especially small businesses) often shy back from stepping into the cloud (Office 365 / Azure). The main reason for this is usually the argument that the costs are too high compared to a locally running infrastructure. In addition, the costs differ in terms of

Exchange Online

How to get Office 365 to accept mails from your homepage (contact form)

Recently, a customer had his homepage redesigned without my knowledge, in the belief that this does not require consultation and interaction with me. Unfortunately they didn't think about the dependency to their mail system, whose migration to Office 365 or Exchange Online was done

Powershell

How to avoid Spam (Part 2) - Identifying and blocking IPs

The following steps were taken with the help of Powershell and the associated modules (Exchange). In the first part of this series I showed you how to display the mail history of the last 2 days (Exchange & Exchange online). See link below: Link

Powershell

How to avoid Spam (Part 1) - Searching the mail history for spam

The following steps were taken with the help of Powershell and the associated modules (Exchange). Due to recent events (a customer was the victim of a malware attack) we are exposed to an increased amount of spam. More precisely, the mentioned customer was a