diff --git a/add_payment_modal.php b/add_payment_modal.php
index b7a75203..de056715 100644
--- a/add_payment_modal.php
+++ b/add_payment_modal.php
@@ -117,7 +117,7 @@
             </div>
           </div>
           
-          <?php if(!empty($config_smtp_host)){ ?>
+          <?php if(!empty($config_smtp_host) AND !empty($client_email)){ ?>
 
           <div class="form-group">
             <label>Email Receipt</label>
diff --git a/client_invoices.php b/client_invoices.php
index 002ae359..df812939 100644
--- a/client_invoices.php
+++ b/client_invoices.php
@@ -146,8 +146,10 @@ $num_rows = mysqli_fetch_row(mysqli_query($mysqli,"SELECT FOUND_ROWS()"));
                   <i class="fas fa-ellipsis-h"></i>
                 </button>
                 <div class="dropdown-menu">
+                  <?php if(!empty($config_smtp_host) AND !empty($client_email)){ ?>
                   <a class="dropdown-item" href="post.php?email_invoice=<?php echo $invoice_id; ?>">Send</a>
                   <div class="dropdown-divider"></div>
+                  <?php } ?>
                   <a class="dropdown-item" href="#" data-toggle="modal" data-target="#editInvoiceModal<?php echo $invoice_id; ?>">Edit</a>
                   <a class="dropdown-item" href="#" data-toggle="modal" data-target="#addInvoiceCopyModal<?php echo $invoice_id; ?>">Copy</a>                  
                   <div class="dropdown-divider"></div>
diff --git a/client_quotes.php b/client_quotes.php
index e8ba4936..246bd24b 100644
--- a/client_quotes.php
+++ b/client_quotes.php
@@ -139,8 +139,10 @@ $num_rows = mysqli_fetch_row(mysqli_query($mysqli,"SELECT FOUND_ROWS()"));
                   <a class="dropdown-item" href="#" data-toggle="modal" data-target="#editQuoteModal<?php echo $quote_id; ?>">Edit</a>
                   <a class="dropdown-item" href="#" data-toggle="modal" data-target="#addQuoteCopyModal<?php echo $quote_id; ?>">Copy</a>
                   <div class="dropdown-divider"></div>
+                  <?php if(!empty($config_smtp_host) AND !empty($client_email)){ ?>
                   <a class="dropdown-item" href="post.php?email_quote=<?php echo $quote_id; ?>">Send</a>
                   <div class="dropdown-divider"></div>
+                  <?php } ?>
                   <a class="dropdown-item text-danger" href="post.php?delete_quote=<?php echo $quote_id; ?>">Delete</a>
                 </div>
               </div>    
diff --git a/invoice.php b/invoice.php
index b6df2cb7..c454b69b 100644
--- a/invoice.php
+++ b/invoice.php
@@ -130,8 +130,10 @@ if(isset($_GET['invoice_id'])){
           <i class="fas fa-fw fa-paper-plane"></i> Send
         </button>
         <div class="dropdown-menu">
+          <?php if(!empty($config_smtp_host) AND !empty($client_email)){ ?>
           <a class="dropdown-item" href="post.php?email_invoice=<?php echo $invoice_id; ?>">Send Email</a>
           <div class="dropdown-divider"></div>
+          <?php } ?>
           <a class="dropdown-item" href="post.php?mark_invoice_sent=<?php echo $invoice_id; ?>">Mark Sent</a>
         </div>
         <?php } ?>
@@ -154,8 +156,9 @@ if(isset($_GET['invoice_id'])){
             <div class="dropdown-divider"></div>
             <a class="dropdown-item" href="#" onclick="window.print();">Print</a>
             <a class="dropdown-item" href="#" onclick="pdfMake.createPdf(docDefinition).download('<?php echo "$invoice_date-$company_name-$client_name-Invoice-$invoice_prefix$invoice_number.pdf"; ?>');">Download PDF</a>
+            <?php if(!empty($config_smtp_host) AND !empty($client_email)){ ?>
             <a class="dropdown-item" href="post.php?email_invoice=<?php echo $invoice_id; ?>">Send Email</a>
-            
+            <?php } ?>
             <a class="dropdown-item" target="_blank" href="guest_view_invoice.php?invoice_id=<?php echo "$invoice_id&url_key=$invoice_url_key"; ?>">Guest URL</a>
             <?php if($invoice_status !== 'Cancelled' and $invoice_status !== 'Paid'){ ?>
             <div class="dropdown-divider"></div>
diff --git a/invoices.php b/invoices.php
index 71e1f950..a95b7e4a 100644
--- a/invoices.php
+++ b/invoices.php
@@ -285,6 +285,7 @@
             $invoice_created_at = $row['invoice_created_at'];
             $client_id = $row['client_id'];
             $client_name = $row['client_name'];
+            $client_email = $row['client_email'];
             $category_id = $row['category_id'];
             $category_name = $row['category_name'];
             $client_currency_code = $row['client_currency_code'];
@@ -339,8 +340,10 @@
                   <a class="dropdown-item" href="#" data-toggle="modal" data-target="#editInvoiceModal<?php echo $invoice_id; ?>">Edit</a>
                   <a class="dropdown-item" href="#" data-toggle="modal" data-target="#addInvoiceCopyModal<?php echo $invoice_id; ?>">Copy</a>
                   <div class="dropdown-divider"></div>
+                  <?php if(!empty($config_smtp_host) AND !empty($client_email)){ ?>
                   <a class="dropdown-item" href="post.php?email_invoice=<?php echo $invoice_id; ?>">Send</a>
                   <div class="dropdown-divider"></div>
+                  <?php } ?>
                   <a class="dropdown-item text-danger" href="post.php?delete_invoice=<?php echo $invoice_id; ?>">Delete</a>
                 </div>
               </div>
diff --git a/quote.php b/quote.php
index dcb8227c..08784688 100644
--- a/quote.php
+++ b/quote.php
@@ -107,8 +107,10 @@ if(isset($_GET['quote_id'])){
           <i class="fas fa-fw fa-paper-plane"></i> Send
         </button>
         <div class="dropdown-menu">
+          <?php if(!empty($config_smtp_host) AND !empty($client_email)){ ?>
           <a class="dropdown-item" href="post.php?email_quote=<?php echo $quote_id; ?>">Send Email</a>
           <div class="dropdown-divider"></div>
+          <?php } ?>
           <a class="dropdown-item" href="post.php?mark_quote_sent=<?php echo $quote_id; ?>">Mark Sent</a>
         </div>
         <?php } ?>
@@ -135,7 +137,9 @@ if(isset($_GET['quote_id'])){
             <div class="dropdown-divider"></div>
             <a class="dropdown-item" href="#" onclick="window.print();">Print</a>
             <a class="dropdown-item" href="#" onclick="pdfMake.createPdf(docDefinition).download('<?php echo "$quote_date-$company_name-$client_name-Quote-$quote_prefix$quote_number.pdf"; ?>');">Download PDF</a>
+            <?php if(!empty($config_smtp_host) AND !empty($client_email)){ ?>
             <a class="dropdown-item" href="post.php?email_quote=<?php echo $quote_id; ?>">Send Email</a>
+            <?php } ?>
             <a class="dropdown-item" target="_blank" href="guest_view_quote.php?quote_id=<?php echo "$quote_id&url_key=$quote_url_key"; ?>">Guest URL</a>
             <div class="dropdown-divider"></div>
             <a class="dropdown-item" href="#">Delete</a>
diff --git a/quotes.php b/quotes.php
index f3f3bf45..db4069d8 100644
--- a/quotes.php
+++ b/quotes.php
@@ -175,6 +175,7 @@ $num_rows = mysqli_fetch_row(mysqli_query($mysqli,"SELECT FOUND_ROWS()"));
             $quote_created_at = $row['quote_created_at'];
             $client_id = $row['client_id'];
             $client_name = $row['client_name'];
+            $client_email = $row['client_email'];
             $client_currency_code = $row['client_currency_code'];
             $category_id = $row['category_id'];
             $category_name = $row['category_name'];
@@ -220,8 +221,10 @@ $num_rows = mysqli_fetch_row(mysqli_query($mysqli,"SELECT FOUND_ROWS()"));
                   <a class="dropdown-item" href="#" data-toggle="modal" data-target="#editQuoteModal<?php echo $quote_id; ?>">Edit</a>
                   <a class="dropdown-item" href="#" data-toggle="modal" data-target="#addQuoteCopyModal<?php echo $quote_id; ?>">Copy</a>
                   <div class="dropdown-divider"></div>
+                  <?php if(!empty($config_smtp_host) AND !empty($client_email)){ ?>
                   <a class="dropdown-item" href="post.php?email_quote=<?php echo $quote_id; ?>">Send</a>
                   <div class="dropdown-divider"></div>
+                  <?php } ?>
                   <a class="dropdown-item text-danger" href="post.php?delete_quote=<?php echo $quote_id; ?>">Delete</a>
                 </div>
               </div>