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| # I was encountering this exception | |
| # Net::SMTPServerBusy: 401 4.1.7 Bad sender address syntax | |
| # First I searched to see if there's any documentation around this issue, | |
| # didn't find anything, so I wrote this snippet to find those invalid characters | |
| require 'mail' | |
| Mail.defaults do | |
| delivery_method :smtp, { | |
| :port => 25, |
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| # Backup | |
| docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql | |
| # Restore | |
| cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE | |