An AS2 source is a reference to an AS2 host that defines a single ruleset for a file from a partner's EDI data message for use in a task. Partner credentials, encryption method and other partnership-level details are configured at the Host level. For more information, see AS1, AS2 and AS3 - Hosts - AS2.
AS2 Source Options:
Note: For an AS2 Receive, the file size limit for a single file is 1 GB. If you are attaching files to a message (sent via ASx), the limit for a single message and attached files is 200 MB.