The more often marketing emails are deleted unopened by recipients, the greater the risk that they will be classified as spam by the ISP. Involve recipients To increase the opening rate, the sender can offer so-called preference centers in which the recipients themselves define the desired content and the frequency of sending. In addition, targeted test series before the campaign starts provide valuable insights into the expected opening and click behavior.
Clearly differentiate content from spam
This point is particularly important for self employed database the B2B sector. The relevant mail servers filter heavily for content. If you want to ensure maximum deliverability here, you should pay particular attention to clean and error-free HTML Involve recipients code and a text-image ratio that is as balanced as possible. Therefore, terms that are suspected of being spam should not appear in the relevant emails or in the subject line.
>Another possible co-criterion is integrated links: if they lead to servers or domains on negative lists, the email is considered suspected of being spam. Involve recipients Links in HTML content should therefore ideally come from the sender’s domain, just like hosted images. Of course, the domain must always be written consistently.
Avoid bounces Bounces
Emails that are considered undeliverable . Can what is it and how to set it up occur in various forms: as so-called hard bounces, when the address or email account does not exist. Or as soft bounces, when the recipient is temporarily unavailable. From the ISP’s point of view, the total number of bounces should not exceed a certain quota. High bounce rates have a damaging effect on the sender’s reputation. This makes a well-maintained database based on a double opt-in all the more important.
Avoid spam traps
Many ISPs, as well as various other organizations, place email addresses as a trap for spam emails. This allows senders of unwanted emails and those who do not comply with the double opt-in requirements to be identified: If the double opt-in email remains unanswered and the sender still sends advertising emails, he is considered a spammer. So-called honeypots also provide information: Such addresses are not public . If they are contacted anyway, this can only have happened with the help of a script that automatically collects email addresses. For the “honest” email sender . This means maximum caution when purchasing external address lists – after all . He does not want to end up in a trap or a honeypot.
Prove authenticity
The first thing ISPs check about email global seo work senders is their identity. Involve recipients ISPs use various external authentication systems such as Sender Policy Framework (SPF), Domainkeys Identified Mail or Sender ID. This allows them to ensure that the sender is not a fake. It is therefore advisable for the sender to configure all domains used for the common verification standards. This way, they can avoid their emails being marked as spam by the ISPs.