is it possible to exclude leads in SFDC without email address from sync to Marketo? My aim is to keep only leads in Marketo with an email address.
Thanks for feedback,
Please file a ticket with Support. We will set up a sync filter for you to do this.
Yes it is. Just ask support to set up a filter on the field on the lead and contact objects
You may want to go one step further to protect the future and:
The second method has the big advantage to be evolutive: if you want to change the rules in the future, just change the workflows.