There are three TXT documents there. The first is enormous, the second and third less content.
The content of the second is as below, I hope this is what you are after:-
INITIATING CONNECTION Oct 07 19:50:52.993 host:mail.btinternet.com -- port:993 -- socket:0x0 -- thread:0x608000073ec0
CONNECTED Oct 07 19:50:53.030 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6080002b67a0 -- thread:0x608000073ec0
READ Oct 07 19:50:53.054 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6080002b67a0 -- thread:0x608000073ec0
* OK IMAP4 PROXY server ready
WROTE Oct 07 19:50:53.054 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6080002b67a0 -- thread:0x608000073ec0
1.9 CAPABILITY
READ Oct 07 19:50:53.065 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6080002b67a0 -- thread:0x608000073ec0
* CAPABILITY IMAP4rev1 UIDPLUS LOGIN-REFERRALS NAMESPACE QUOTA CHILDREN SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES AUTH=PLAIN SASL-IR
READ Oct 07 19:50:53.065 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6080002b67a0 -- thread:0x608000073ec0
1.9 OK capabilities listed
WROTE Oct 07 19:50:53.066 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6080002b67a0 -- thread:0x608000073ec0
4.9 LOGOUT
INITIATING CONNECTION Oct 07 19:50:53.090 host:mail.btinternet.com -- port:993 -- socket:0x0 -- thread:0x6080000746c0
CONNECTED Oct 07 19:50:53.115 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6100004a0900 -- thread:0x6080000746c0
READ Oct 07 19:50:53.139 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6100004a0900 -- thread:0x6080000746c0
* OK IMAP4 PROXY server ready
WROTE Oct 07 19:50:53.140 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6100004a0900 -- thread:0x6080000746c0
1.10 CAPABILITY
READ Oct 07 19:50:53.151 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6100004a0900 -- thread:0x6080000746c0
* CAPABILITY IMAP4rev1 UIDPLUS LOGIN-REFERRALS NAMESPACE QUOTA CHILDREN SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES AUTH=PLAIN SASL-IR
1.10 OK capabilities listed
WROTE Oct 07 19:50:53.151 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6100004a0900 -- thread:0x6080000746c0
4.10 LOGOUT
INITIATING CONNECTION Oct 07 19:52:58.568 host:mail.btinternet.com -- port:993 -- socket:0x0 -- thread:0x618000861980
CONNECTED Oct 07 19:52:58.640 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6100004a0de0 -- thread:0x618000861980
READ Oct 07 19:52:58.644 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6100004a0de0 -- thread:0x618000861980
* OK IMAP4 PROXY server ready
WROTE Oct 07 19:52:58.644 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6100004a0de0 -- thread:0x618000861980
1.14 CAPABILITY
READ Oct 07 19:52:58.655 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6100004a0de0 -- thread:0x618000861980
* CAPABILITY IMAP4rev1 UIDPLUS LOGIN-REFERRALS NAMESPACE QUOTA CHILDREN SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES AUTH=PLAIN SASL-IR
1.14 OK capabilities listed
WROTE Oct 07 19:52:58.656 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:mail.btinternet.com -- port:993 -- socket:0x6100004a0de0 -- thread:0x618000861980
4.14 LOGOUT