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-rw-r--r--defparams.pl2
1 files changed, 1 insertions, 1 deletions
diff --git a/defparams.pl b/defparams.pl
index e6cb16ac8..1d492de20 100644
--- a/defparams.pl
+++ b/defparams.pl
@@ -739,7 +739,7 @@ You will get this message once a day until you\'ve dealt with these bugs!
'popular value to put here is <tt>^[^@]+$</tt>, which means ' .
'"local usernames, no @ allowed."',
type => 't',
- default => q:^[^@]+@[^@]+\\.[^@]+$:,
+ default => q:^[\\w\\.\\+\\-=]+@[\\w\\.\\-]+\\.[\\w\\-]+$:,
checker => \&check_regexp
},