| CPC G06Q 40/03 (2023.01) [G06F 40/143 (2020.01); G06Q 20/223 (2013.01); H04L 9/0825 (2013.01); H04L 9/14 (2013.01); H04L 63/0428 (2013.01); G06F 40/117 (2020.01); G06F 40/174 (2020.01); G06F 40/205 (2020.01); H04L 2209/56 (2013.01); H04L 2463/062 (2013.01)] | 17 Claims |

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1. A method, comprising:
executing, by a processor of a client computer, a drop event listener;
receiving, by the processor via the drop event listener, an email file, wherein receiving the email file further comprises triggering a drop event to activate a FpML mail handler user interface, wherein the email file comprises a message body;
determining, by the processor via the FpML mail handler user interface activated based on the drop event, that the message body of the email file comprising a begin tag and an end tag, and wherein the determining further comprises parsing a string between the begin tag and the end tag from the message body;
converting, by the processor via the FpML mail handler user interface, the string into a byte stream;
parsing, by the processor via the FpML mail handler user interface and from the byte stream, a unique sender identifier of a sender, an encryption key, and FpML data, wherein the unique sender identifier, the encryption key, and the FpML data are encrypted;
decrypting, by the processor via the FpML mail handler user interface, the encrypted unique sender identifier to verify the sender of the email file;
decrypting, by the processor via the FpML mail handler user interface, the encrypted encryption key;
decrypting, by the processor via the FpML mail handler user interface, the encrypted FpML data using the decrypted encryption key;
displaying, by the processor via the FpML mail handler user interface, the decrypted FpML data and basic data from the message body;
sending, by the processor via the FpML mail handler user interface, the decrypted FpML data to a loan servicing system executed by one or more processors; and
generating, by the loan servicing system and to the client computer, a transaction screen prepopulated with the decrypted FpML data.
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