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Optimizing deliverability of your CleverReach emails

It can always happen that your mailings end up in the spam folders of some of your recipients. A spam rating can have several causes. The following are possible measures to significantly reduce the risk of your mailings ending up as spam and thus increase the open rates of your mailings:


1. Use a custom subdomain

We recommend using your own subdomain for sending with CleverReach, which can then be used for tracking the links. Find more information here.


2. Alternative image text

Insert a meaningful alternative text to describe every image you use. If these texts are empty or filled with “spammy” labels you have a higher risk of being marked as spam. Commonly used terms are “product XY” or “logo company name”.


3. Set SPF records

Set up a SPF record with your provider (if possible) to reduce the risk of ending up as spam. Some providers and email systems check for these records with SPF queries. Find more details here.


4. Optimize your subject line

Be careful when selecting your subject line. Some spam filters mark words such as “free, cheap, %, $, Dollar” as spam. Make your subject line as interesting and unique as possible, ideally by e.g. using personalization. We don't recommend standard/generic phrases such as e.g. "Newsletter Februrary" etc.


5. Avoid phishing warnings

When inserting hyperlinks in your email campaign be careful not to make them appear to be phishing links. Find more information here.


6. Even balance between images and text

Create your emails with a good image/text ratio in mind (if you do use images). If e.g. you send an email that basically consists of one large image this can easily end up as spam.

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