Very low aperture. MailWizz 1.875% + SendGrid 5.88% X Mailchimp 20.2% - I want to improve this
We have been using mailchimp for some time and now migrating to MailWizz + SendGrid. However, the opening rate is not satisfactory. I need help to improve this.
Mailchimp: https://prnt.sc/t4rsmq...