A consideration that should be made when building dynamic content rules is that rules should be built before uploading the respective content. Dynamic content rules are rules that define what content should be displayed based on subscriber attributes or behaviors. Dynamic content rules should be created before uploading content blocks or images into Content Builder, as they cannot be edited after content is uploaded.
References: https://help.salesforce.com/s/articleView?id=sf.mc_ceb_dynamic_content_rules.htm&type=5

Transactional email send with the event notification service response can be used to send password reset emails and get real-time feedback on the delivery status. If the email is not sent, an API call can be triggered to send an SMS message instead. References: https://help.salesforce.com/articleView?id=sf.
mc_es_event_notification_service.htm&type=5 https://developer.salesforce.com/docs/atlas.en-us.noversion.
mc-apis.meta/mc-apis/messageDefinitionSends.htm

To allow for long-term self-sufficiency in segmentation, Northern Trail Outfitters should use data filters. Data filters are a user-friendly tool that allows marketers to segment their data based on criteria and conditions without coding. Data filters can also be refreshed and reused for different campaigns. Attribute groups are used to link data sources in Contact Builder, not for segmentation. Publication lists are used to manage opt-in preferences, not for segmentation. Query activities require SQL knowledge and coding skills, which the marketing team lacks. References: https://help.salesforce.com/s/articleView?id=sf.mc_es_data_filters.
htm&type=5

This allows you to specify the exact name of the file when running the automation. The File Drop Starting Source is an automation activity that allows you to specify the source of the File Drop as either a Scheduled or Manual event. This allows you to control when the data is imported from the Enhanced FTP file.
To set up their automation to import the data from the file on a nightly basis, Northern Trail Outfitters should use two ways to start their automation:
* File Drop Starting Source. This is a trigger that starts an automation when a file is dropped in an Enhanced FTP folder or an external SFTP location.
* Scheduled Starting Source. This is a trigger that starts an automation at a specified date and time or at recurring intervals.
%%BASEFILENAME_FROM_TRIGGER%% and %%BASEFILENAME_FROM_FILEDROP%% are not starting sources, but variables that can be used in file transfer or import activities to reference file names.
References: https://help.salesforce.com/s/articleView?id=sf.mc_as_automation_studio_triggers.htm&type=5

To automate exclusion of identified email addresses from all future sends that use specific sender profiles, Northern Trail Outfitters should use an auto-suppression list. An auto-suppression list is a tool that allows marketers to exclude subscribers from email sends based on their email address and sender profile. The email addresses can be added to the auto-suppression list using a SQL query or an import activity. References:
https://help.salesforce.com/s/articleView?id=sf.mc_es_create_an_auto_suppression_list.htm&type=5