eCommerce store of jewellery from Germany

What was needed to do and what problems had the customer:
1 . Transfer to the new service
2nd Configuration of infrastructure (SPF, DKIM, DMARC)
Three Validation of the contact base
4 . Importing email addresses from DOP. fields for personalization and segmentation
and 5. Create a letter: copy, individual design, adaptive HTML edge
6 . Download, set up a letter, perform testing
7 . IP address and domain heating
8 . Remove messages from spam
The 9. Settings postmaster, FBL reports, your tracking domain

The Problems:
1 . All posts on El. GMX Mail and Web.de emails were spam, Gmail partly spam
2nd Since the date of the last post, more than three months have passed.
Three Open Rate was Less than 10%
4 . Never held a “hygiene” base.

After heating, they received an average Open Rate of 20.9%, which is 2.5 times better than the previous.