2017-07-30 18:51:05.712 10HmaX-000000005vi-0000 <= sender@testhost.test.ex U=sender P=local S=sss for a@test.ex
2017-07-30 18:51:05.712 10HmaX-000000005vi-0000 => a@test.ex R=to_server T=remote_smtp_dkim H=127.0.0.1 [127.0.0.1] K C="250- 6nn byte chunk, total 6nn\\n250 OK id=10HmaY-000000005vi-0000"
2017-07-30 18:51:05.712 10HmaX-000000005vi-0000 Completed
2017-07-30 18:51:05.712 10HmaZ-000000005vi-0000 <= sender@testhost.test.ex U=sender P=local S=sss for b@test.ex
2017-07-30 18:51:05.712 10HmaZ-000000005vi-0000 => b@test.ex R=to_server T=remote_smtp_dkim H=127.0.0.1 [127.0.0.1] K C="250- 8nn byte chunk, total 8nn\\n250 OK id=10HmbA-000000005vi-0000"
2017-07-30 18:51:05.712 10HmaZ-000000005vi-0000 Completed

******** SERVER ********
2017-07-30 18:51:05.712 exim x.yz daemon started: pid=p1234, no queue runs, listening for SMTP on port PORT_S
2017-07-30 18:51:05.712 10HmaY-000000005vi-0000 DKIM: d=test.ex s=sel c=relaxed/relaxed a=rsa-sha256 b=1024 [verification succeeded]
2017-07-30 18:51:05.712 10HmaY-000000005vi-0000 <= <> H=localhost (testhost.test.ex) [127.0.0.1] P=esmtp K S=sss DKIM=test.ex id=E10HmaX-000000005vi-0000@testhost.test.ex for a@test.ex
2017-07-30 18:51:05.712 10HmbA-000000005vi-0000 DKIM: d=test.ex s=sel c=relaxed/relaxed a=rsa-sha256 b=1024 [verification succeeded]
2017-07-30 18:51:05.712 10HmbA-000000005vi-0000 <= <> H=localhost (testhost.test.ex) [127.0.0.1] P=esmtp K S=sss DKIM=test.ex id=E10HmaZ-000000005vi-0000@testhost.test.ex for b@test.ex