Unsubscribing Soft Bounces
Log into Zoho Campaigns account
Click Subscribers icon
Choose Manage Lists from the Subscribers section
Here you can view all the soft and hard bounced Subscribers
To remove the bounced subscribers, click the Subscribers icon again
Tick the box next to the name of each Bounced subscriber
Click the Unsubscribe icon to remove the soft bounced subscribers
In the popup window, choose Go Ahead