diff --git a/Gemfile b/Gemfile
index d1993359e..cf6e9f773 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
-source 'http://ruby.taobao.org'
+source 'https://ruby.taobao.org'
 #source 'http://ruby.sdutlinux.org/'
 
 unless RUBY_PLATFORM =~ /w32/
diff --git a/config/configuration.yml b/config/configuration.yml
index ef39f6493..2ac986927 100644
--- a/config/configuration.yml
+++ b/config/configuration.yml
@@ -83,12 +83,12 @@ default:
   email_delivery:
     delivery_method: :smtp
     smtp_settings:
-      address: smtp.163.com
-      port: 25
-      domain: smtp.163.com
-      authentication: :plain
-      user_name: "huang.jingquan@163.com"
-      password: 'xinhu1ji2qu366'
+          address: mail.trustie.net
+          port: 25
+          domain: mail.trustie.net
+          authentication: :login
+          user_name: "mail@trustie.net"
+          password: "loong2010"
 
   # Absolute path to the directory where attachments are stored.
   # The default is the 'files' directory in your Redmine instance.
diff --git a/lib/grack/Gemfile b/lib/grack/Gemfile
index b7113caa8..80932e7e4 100644
--- a/lib/grack/Gemfile
+++ b/lib/grack/Gemfile
@@ -1,4 +1,4 @@
-source "http://ruby.taobao.org"
+source "https://ruby.taobao.org"
 
 gemspec
 
diff --git a/lib/grack/Gemfile.lock b/lib/grack/Gemfile.lock
index 52d60f85d..68fa71a2b 100644
--- a/lib/grack/Gemfile.lock
+++ b/lib/grack/Gemfile.lock
@@ -5,7 +5,7 @@ PATH
       rack (~> 1.5.1)
 
 GEM
-  remote: http://ruby.taobao.org/
+  remote: https://ruby.taobao.org/
   specs:
     byebug (4.0.5)
       columnize (= 0.9.0)
diff --git a/plugins/redmine_ckeditor/Gemfile b/plugins/redmine_ckeditor/Gemfile
index ce2f3c583..07a2bac50 100644
--- a/plugins/redmine_ckeditor/Gemfile
+++ b/plugins/redmine_ckeditor/Gemfile
@@ -1,4 +1,4 @@
-source 'http://ruby.taobao.org'
+source 'https://ruby.taobao.org'
 
 gem 'rich', '1.4.6'
 gem 'kaminari'