- 'execute' => 'Could not execute: ',
- 'instantiate' => 'Could not instantiate mail function.',
- 'authenticate' => 'SMTP Error: Could not authenticate.',
- 'from_failed' => 'The following From address failed: ',
- 'recipients_failed' => 'SMTP Error: The following recipients failed: ',
- 'data_not_accepted' => 'SMTP Error: Data not accepted.',
- 'connect_host' => 'SMTP Error: Could not connect to SMTP host.',
- 'file_access' => 'Could not access file: ',
- 'file_open' => 'File Error: Could not open file: ',
- 'encoding' => 'Unknown encoding: ',
- 'signing' => 'Signing Error: ',
- 'smtp_error' => 'SMTP server error: ',
- 'empty_message' => 'Message body empty',
- 'invalid_address' => 'Invalid address',
- 'variable_set' => 'Cannot set or reset variable: '
+ 'provide_address' => 'You must provide at least one recipient email address.',
+ 'recipients_failed' => 'SMTP Error: The following recipients failed: ',
+ 'signing' => 'Signing Error: ',
+ 'smtp_connect_failed' => 'SMTP Connect() failed.',
+ 'smtp_error' => 'SMTP server error: ',
+ 'variable_set' => 'Cannot set or reset variable: '