From what I understand the 25 month activities previously had no limit. See the following link, slide 8 to reference what I understand.Marketo Activities Data Retention Policy Webi...
You should be able to edit values and have one value be your default value. For example on country, have United States be default. Just make sure that it is also typed in as the st...
The only way I know to disable text only tracking is to remove the tags in the text only email. Otherwise there is no tracking for both the html and text versions.
We found that SalesMsg works best for what we were trying to do. They have excellent documentation on how to set it up and are much more helpful that what we found Twilio to be in ...