Free e-mail providers

The best free email providers: a comparison


The quality and quantity of features offered by free email providers is forever improving. Ever increasing amounts of storage space, greater levels of security, and more modern user interfaces are all being made available free of charge. But the list of possible providers is long...


Reasons to get your own email domain

Personal e-mail domains: professional communication on the web


A personal e-mail domain is a must in the commercial sphere. Conveying a professional image in your contact details will ensure that customers and businesses take you seriously. Find out about the advantages of having an individual mail domain and learn how to secure a personal...


Send large files

How to send large files: it’s free with these providers

Many free email providers such as Gmail and Outlook set a limit between 20 and 25 MB for sending large file attachments. But you can also make large file transfers using free, third-party providers. These use download links and cloud storage to send large file sizes. We’ll show you how it works in our dedicated article.


PHPMailer: how to send emails easily

The mail extension PHPMailer is particularly useful when it comes to contact forms on websites and sending automatically generated emails. We’ll show you how to install and send emails with PHPMailer. It’s easy to do. In our article, we’ll also be looking into which features are available for emails as well as PHPMailer examples. Read on for more.

The Best Alternatives to Evernote

Alternatives to Evernote: A comparison of digital notebooks

Evernote is one of the most popular digital notebooks worldwide. It is characterized by its structured, multifunctional presentation. However, many useful features are included only in the paid premium version. We will show you which comparable programs are available and give you the best alternatives to Evernote.

Find email address

How to find the correct email address

A successful outreach campaign depends on your emails actually reaching your intended contacts. That’s when it becomes all the more important that you find the correct email address of your recipients. Read on to explore how you can find an email address, the tools that are available to this end, and what tricks you can use to search for an email address quickly.

Gmail attachment size limit

What is the Gmail attachment size limit?

When sending emails with large files via Gmail, you may exceed the maximum attachment size that Gmail has imposed. So what are you supposed to do now? Our article explains what Gmail file size limits there are, what the size limits depend on, and what options are available to you if you really want to send large files.

Set Outlook as default mail client

Set Outlook as the default mail client: Here’s how

Do you work with different email programs at the same time, but don’t want to log in to email accounts separately? In that case you can use Microsoft Outlook as a central default program for all emails. If you set Outlook as the default email client, emails from different accounts can be sent and received in one user interface.

Outlook: attachment size limit

Outlook: maximum attachment size limit explained

By default, the maximum file size in Outlook is 20 MB. However, if you use a mail server with an allowed file size of 25 MB and send emails via Outlook, you may need to extend the maximum size limit of an email in Outlook. We explain what to look for in Outlook’s limits on attachment size and how to configure the maximum size.

Gmail spam filter

Gmail spam filter: Setting it up and optimizing it correctly

Gmail’s spam filtering functions completely independently and achieves great results. However, the defense works even better if you configure the Gmail spam filter settings and optimize them over time. In this text, we will explain what options you have with the spam filter and what you should bear in mind when using it.

Change language in Gmail

How to change the language in Gmail: easy browser and app guide

Whether you’re traveling or you’ve accidentally changed the language on your PC or smartphone – if Gmail is suddenly no longer displayed in the language of your choice, it can be frustrating. Fortunately, changing your Gmail language doesn’t require any major detours. You can easily change the Gmail language both in the browser and on mobile devices.

Gmail with custom domain

Using Gmail with a custom domain: A how-to guide

Using an email address with a custom domain helps make customers and competitors take you more seriously. But what if you want to use your custom domain in Gmail? Is this possible? And where do you even get your own domain? We explain everything, with screenshots and examples, in this how-to guide. Read on to find out more.


IONOS E-mail Guide: everything need to know about e-mails

Most people couldn’t imagine a life without e-mails. Whether you use them to communicate for business or personal reasons, e-mails have practically replaced traditional letters. Over 200 billion e-mails are sent around the world each day and despite the rise in social media and instant messaging, they show no sign of slowing down. Our E-mail Guide forms part of the IONOS Digital Guide and is dedicated to the basic framework of the e-mail–from the technical security requirements to marketing strategies you should use when sending business e-mails. The contents of this E-mail Guide cater for both beginners as well as more experienced computer users.

The E-mail Guide’s target audience

The numerous e-mail tips in the guide are aimed at a wide readership, from hobbyists and novices to IT and e-mail marketing professionals. Owners of small and medium-sized companies can also benefit from articles that provide information on how to create business e-mails and build successful e-mail marketing campaigns. The e-mail guide takes into consideration that readers have different levels of IT knowledge; as well as introductory articles on FAQs (e.g. ‘How is an e-mail sent?’ or ‘What should an e-mail header contain?’) there are also more detailed and specific articles such as ‘E-mail encryption with PGP’ or ‘Creating individual newsletter templates’.

The E-mail Guide’s structure and topics

In IONOS’s Digital Guide, the E-mail Guide offers three different subcategories. Under ‘E-mail marketing’ you can read about marketing trends as well as tips on direct marketing via e-mail. The ‘E-mail security’ subcategory mainly deals with e-mail encryption and how to handle spam and phishing e-mails. Lastly, under ‘Technical matters’, you’ll find various articles about structure, operation and storage of e-mails and the corresponding software. In our guide, we provide detailed information on everything to do with e-mails, presented to you in a clear and understandable way.

Wait! We’ve got something for you!
Have a look at our great prices for different domain extensions.

Enter the web address of your choice in the search bar to check its availability.
$1/1st year
then $20/year
$1/1st year
then $15/year
$1/1st year
then $20/year
$1/1st year
then $20/year