diff --git a/pom.xml b/pom.xml
index 1835a91..eb22ec1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,28 +22,7 @@
         <!-- project setup -->
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>    
-        
-        <!-- dependencies library version -->                
-        <junit.version>4.12</junit.version>
-        <mockito.version>1.10.19</mockito.version>
-        <commons-codec.version>1.10</commons-codec.version>
-        <commons-net.version>3.3</commons-net.version>
-        <commons-lang3.version>3.4</commons-lang3.version>        
-        <commons-io.version>2.5</commons-io.version>
-        <slf4j.version>1.7.13</slf4j.version>
-        <javax-mail.version>1.4.7</javax-mail.version>
-        <javaee-api.version>7.0</javaee-api.version>
-        <edtFTPj.version>1.5.3</edtFTPj.version>
-        <scrypt.version>1.4.0</scrypt.version>
-        <bouncycastle.version>1.53</bouncycastle.version>
-        <hibernate.version>5.0.6.Final</hibernate.version>        
-        <maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>
-        <maven-ejb-plugin.version>2.5.1</maven-ejb-plugin.version>
-        <maven-surefire-plugin.version>2.19</maven-surefire-plugin.version>
-        <freemarker.version>2.3.24-incubating</freemarker.version>
-        <pdfbox.version>2.0.2</pdfbox.version>
-        <gson.version>2.7</gson.version>
+        <maven.compiler.target>1.8</maven.compiler.target>                    
     </properties>
     
     <dependencyManagement>
@@ -51,60 +30,65 @@
             <dependency>
                 <groupId>junit</groupId>
                 <artifactId>junit</artifactId>
-                <version>${junit.version}</version>                
+                <version>4.12</version>                
+                <scope>4.12</scope>
             </dependency>      
             <dependency>
                 <groupId>org.mockito</groupId>
                 <artifactId>mockito-core</artifactId>
-                <version>${mockito.version}</version>            
-            </dependency>             
-            
+                <version>2.10.0</version>            
+                <scope>test</scope>
+            </dependency>                         
             <dependency>
                 <groupId>commons-codec</groupId>
                 <artifactId>commons-codec</artifactId>
-                <version>${commons-codec.version}</version>                
+                <version>1.10</version>                
             </dependency>               
             <dependency>
                 <groupId>commons-net</groupId>
                 <artifactId>commons-net</artifactId>
-                <version>${commons-net.version}</version>
+                <version>3.6</version>
             </dependency>    
             <dependency>
                 <groupId>org.apache.commons</groupId>
                 <artifactId>commons-lang3</artifactId>
-                <version>${commons-lang3.version}</version>
+                <version>3.6</version>
             </dependency>                                                             
             <dependency>
                 <groupId>commons-io</groupId>
                 <artifactId>commons-io</artifactId>
-                <version>${commons-io.version}</version>
+                <version>2.5</version>
             </dependency>            
             <dependency>
                 <groupId>org.slf4j</groupId>
                 <artifactId>slf4j-api</artifactId>
-                <version>${slf4j.version}</version>               
+                <version>1.7.25</version>               
             </dependency>
             <dependency>
                 <groupId>org.slf4j</groupId>
                 <artifactId>slf4j-log4j12</artifactId>
-                <version>${slf4j.version}</version>
+                <version>1.7.25</version>
             </dependency>            
             <dependency>
                 <groupId>org.slf4j</groupId>
                 <artifactId>jcl-over-slf4j</artifactId>
-                <version>${slf4j.version}</version>                
+                <version>1.7.25</version>                
             </dependency>            
-            
-            
+                        
             <dependency>
-                <groupId>javax.mail</groupId>
-                <artifactId>mail</artifactId>
-                <version>${javax-mail.version}</version>                                            
+                <groupId>com.sun.mail</groupId>
+                <artifactId>javax.mail</artifactId>
+                <version>1.6.0</version>                                            
             </dependency>
+            <dependency>
+                <groupId>com.microsoft.ews-java-api</groupId>
+                <artifactId>ews-java-api</artifactId>
+                <version>2.0</version>
+            </dependency>            
             <dependency>
                 <groupId>com.google.code.gson</groupId>
                 <artifactId>gson</artifactId>
-                <version>${gson.version}</version>
+                <version>2.8.2</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.shiro</groupId>
@@ -119,42 +103,42 @@
             <dependency>
                 <groupId>javax</groupId>
                 <artifactId>javaee-api</artifactId>
-                <version>${javaee-api.version}</version>
+                <version>7.0</version>
             </dependency>
                         
             <dependency>
                 <groupId>com.enterprisedt</groupId>
                 <artifactId>edtFTPj</artifactId>
-                <version>${edtFTPj.version}</version>
+                <version>1.5.3</version> <!-- FIXME - requires update -->
             </dependency>  
             
             <dependency>
                 <groupId>com.lambdaworks</groupId>
                 <artifactId>scrypt</artifactId>
-                <version>${scrypt.version}</version>        
+                <version>1.4.0</version>        
             </dependency>              
             <dependency>
                 <groupId>org.bouncycastle</groupId>
                 <artifactId>bcprov-jdk15on</artifactId>
-                <version>${bouncycastle.version}</version>
+                <version>1.58</version>
             </dependency>   
             
             <dependency>
                 <groupId>org.hibernate</groupId>
                 <artifactId>hibernate-core</artifactId>
-                <version>${hibernate.version}</version>
+                <version>5.0.10.Final</version>
                 <type>jar</type>
             </dependency> 
             
             <dependency>
                 <groupId>org.apache.pdfbox</groupId>
                 <artifactId>pdfbox</artifactId>
-                <version>${pdfbox.version}</version>
+                <version>2.0.7</version>
             </dependency>                             
             <dependency>
                 <groupId>org.freemarker</groupId>
                 <artifactId>freemarker</artifactId>
-                <version>${freemarker.version}</version>
+                <version>2.3.23</version>
             </dependency>                 
                                                                                      
                                           
@@ -178,7 +162,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>${maven-compiler-plugin.version}</version>
+                <version>3.7.0</version>
                 <configuration>
                     <source>${maven.compiler.source}</source>
                     <target>${maven.compiler.target}</target>