Chapter - Advanced Topics

Responsive e-mail design is an essential aspect of email marketing, as it ensures that your emails look good and are easy to read on any device. Here are some best practices to consider when designing responsive emails: By following these best practices, you'll increase the chances that your emails will perform well on any device... Read more

SMTP (Simple Mail Transfer Protocol) is a protocol used to transfer emails between servers and clients. It is a text-based protocol built on top of the TCP (Transmission Control Protocol). When a user sends an email, it is transferred from a client program (e.g., Outlook or Gmail) to the sender's SMTP server ... Read more

Those who have tried to create a complex newsletter that also looks good in Microsoft Outlook quickly realize that it's not that easy. Instead of the desired font, Times New Roman is displayed, spacing is off, shadows and rounded corners aren't displayed at all, and modern HTML elements like DIVs look kind of „weird“ too... Read more

The Certified Senders Alliance (CSA) is an independent organization dedicated to improving the quality of email campaigns and making email traffic safer and more efficient. The CSA was founded in 2004 by AOL Germany, Freenet, T-Online, and WEB.DE and has since gained a multitude of companies as members. The CSA certification... Read more

In the world of online marketing, it's important to approach potential customers in a legal and ethical way. One method that can help with this is the double opt-in process. This is a process where users must confirm their consent to the use of their email address or phone number before they are added to a marketing list. In this... Read more

A DMARC record is a DNS entry created by domain owners to facilitate the verification of email authenticity and protect their domains from email spoofing and phishing attacks. The entry contains a set of parameters that define how the domain's email server should perform authentication and verification of emails sent from that domain... Read more

Sender Policy Framework (SPF) is a mechanism for preventing email spoofing and spamming. It allows email recipients to check if a particular email was actually sent by an authorized server. An SPF record is a DNS setting that specifies which servers are authorized to send emails on behalf of a domain. If an email is sent from a server... Read more

Email addresses that no longer wish to receive emails are placed on a so-called blocklist, which is managed on our servers. All addresses that land on the blocklist will be excluded from future mailings – with the exception of confirmation emails for double opt-ins. Email addresses can end up on the blocklist in one of the following ways; ... Read more