I have problem

Dear
I have problem

I can not change email
what to do?
logs file

10:31:51.258 INFO - Updating config mail.properties. New body : 
10:31:51.258 INFO - mail.smtp.username=stalingrad@gmail.com
mail.smtp.port=587
mail.smtp.password=12345
mail.smtp.auth=true
mail.smtp.starttls.enable=true
mail.smtp.timeout=120000
mail.smtp.host=smtp.gmail.com
mail.smtp.connectiontimeout=30000
10:43:06.071 INFO - Updating config mail.properties. New body : 
10:43:06.071 INFO - mail.smtp.username=stalingrad@gmail.com
mail.smtp.port=587
mail.smtp.password=12345
mail.smtp.auth=true
mail.smtp.starttls.enable=true
mail.smtp.timeout=120000
mail.smtp.host=smtp.gmail.com
mail.smtp.connectiontimeout=30000
10:43:09.300 INFO - Updating config mail.properties. New body : 
10:43:09.300 INFO - mail.smtp.username=stalingrad@gmail.com
mail.smtp.port=587
mail.smtp.password=12345
mail.smtp.auth=true
mail.smtp.starttls.enable=true
mail.smtp.timeout=120000
mail.smtp.host=smtp.gmail.com
mail.smtp.connectiontimeout=30000
10:43:11.806 INFO - Updating config mail.properties. New body : 
10:43:11.806 INFO - mail.smtp.username=stalingrad@gmail.com
mail.smtp.port=587
mail.smtp.password=12345
mail.smtp.auth=true
mail.smtp.starttls.enable=true
mail.smtp.timeout=120000
mail.smtp.host=smtp.gmail.com
mail.smtp.connectiontimeout=30000
10:43:30.360 INFO - Updating config mail.properties. New body : 
10:43:30.360 INFO - mail.smtp.username=stalingrad@gmail.com
mail.smtp.port=587
mail.smtp.password=12345
mail.smtp.auth=true
mail.smtp.starttls.enable=true
mail.smtp.timeout=120000
mail.smtp.host=smtp.gmail.com
mail.smtp.connectiontimeout=30000
10:53:44.015 INFO - Updating config mail.properties. New body : 
10:53:44.015 INFO - mail.smtp.username=ffffff@gmail.com
mail.smtp.port=587
mail.smtp.password=11111
mail.smtp.auth=true
mail.smtp.starttls.enable=true
mail.smtp.timeout=120000
mail.smtp.host=smtp.gmail.com
mail.smtp.connectiontimeout=30000

Set the container
created mail.properties file
it all worked!