What are tags?
Read article here.
How to add tags?
For the application to start messages tagging a rule must be added after which application must be turned on by ticking “Turned on” box: Dashboard → SMTP account → Settings → Tags
How to add a new rule?
Choose a way for messages tagging: Rule for: “” or ““
Fill in “Search phrase” field.
Use of ‘*’ character will result in tagging of all messages with phrase “Invitation to friends list” and everything that in located after it. If ‘*’ character is not added to the phrase, application will add tags only to the e-mail messages which title says “Invitation to friends list”.
Fill in “Tag” field and click “Add rule”