local authentication without TLS
Merge pull request #17 from Udera/tls_correct

Enabled local authentication without TLS.
Fixes #7.
Merge pull request #15 from Udera/typo-correct

Thanks @udera for the fix!
Fix #16: Some special characters in passwords ignored.
This removes the anti-exploit checks that were added in commits a6dcb40b3aeb3bc69f4ef509c8317c3e809b766b and 9a386728e19b5eb17b264a9424faffbd9cc4175c.
Special SQL characters will no longer be considered invalid by validate_password() and alias_validate_password().
no TLS used for all IPs used by exam.
Merge pull request #18 from Udera/tls_correct

Do not use TLS when connecting from IPs used by exim. Thanks @Udera!
Put clear passwords as password-option. Remove use of clear-password-field.
Issue #21, part 2: the conditions to be used with an and operator should all be enclosed in curly braces.
some corrections on last submit.
text alignment
improve crypt-section...
Merge pull request #23 from Udera/clear_pass_option

Put clear passwords as password-option. Remove the separate 'clear' password field.
Merge branch 'master' into new-master