How to test whether your content is causing deliverability issues?

Example 1.

In e-commerce email marketing messages, the footer is most likely to cause problems, since it usually contains links to social media, important unsubscribe URL, and exceptional phrasing like physical addresses. In most scenarios of e-commerce email marketing message, the content will be the items for sale. So, to fasten the identification of problematic content, you will need to remove the least common content blocks.

Example 2.

In informational marketing messages, the block that could cause most issues could be either with large images or blocks with a lot of content and different URLs.