NEW EDITION:
The following instructions are meant for the NEWER EDITION OF MASSMAILER.
Navigate to the 'MassMailer App -> MassMailer Suppression List' tab.
Find the specific email address in the MassMailer Suppression List records and navigate to the same. Click on the 'Delete' button on the details page or 'Delete' link from the Summary page to resubscribe an email in MassMailer.
OLD EDITION:
The following instructions are meant for the OLDER EDITION OF MASSMAILER.
If any of the recipient emails are not getting the emails from MassMailer that means that either that recipient has unsubscribed or the email is invalid/spam/bounced.
MassMailer does not let you send emails to such recipients.
If you want to resubscribe or un-suppress any of the leads or contacts then you can following the instructions below.
Step 1: Uncheck the Email Opt Out field and/or Invalid Contact/Invalid Lead field from the contact or lead details page and also remove that email from Suppression List in SendGrid.
Step 2:
Log into SendGrid with the account details that were provided to you.
Navigate to Suppressions -> Any of the suppression List such as Global Unsubscribes/Bounces/Group Unsubscribes/Spam Reports/Blocks/Invalid-> Search for the email id -> Select the checkbox and remove the selected record as shown in the following picture.
