diff --git a/contrib/lisp/ox-groff.el b/contrib/lisp/ox-groff.el
index e741ed183..7b110a1c4 100644
--- a/contrib/lisp/ox-groff.el
+++ b/contrib/lisp/ox-groff.el
@@ -1251,8 +1251,9 @@ INFO is a plist holding contextual information.  See
          (imagep (org-export-inline-image-p
                   link org-groff-inline-image-rules))
          (path (cond
-                ((member type '("http" "https" "ftp" "mailto"))
+                ((member type '("http" "https" "ftp"))
                  (concat type "://" raw-path))
+		((string= type "mailto") (concat type ":" raw-path))
                 ((string= type "file")
                  (if (file-name-absolute-p raw-path)
                      (concat "file://" (expand-file-name raw-path))
diff --git a/lisp/ox-html.el b/lisp/ox-html.el
index 5568fc85a..5ccc8e772 100644
--- a/lisp/ox-html.el
+++ b/lisp/ox-html.el
@@ -2720,9 +2720,12 @@ INFO is a plist holding contextual information.  See
 	 (desc (org-string-nw-p desc))
 	 (path
 	  (cond
-	   ((member type '("http" "https" "ftp" "mailto"))
+	   ((member type '("http" "https" "ftp"))
 	    (org-link-escape-browser
 	     (org-link-unescape (concat type "://" raw-path))))
+	   ((string= type "mailto")
+	    (org-link-escape-browser
+	     (org-link-unescape (concat type ":" raw-path))))
 	   ((string= type "file")
 	    ;; Treat links to ".org" files as ".html", if needed.
 	    (setq raw-path
diff --git a/lisp/ox-latex.el b/lisp/ox-latex.el
index 2cdc2c7ac..08ea285b9 100644
--- a/lisp/ox-latex.el
+++ b/lisp/ox-latex.el
@@ -1906,8 +1906,9 @@ INFO is a plist holding contextual information.  See
 	 (imagep (org-export-inline-image-p
 		  link org-latex-inline-image-rules))
 	 (path (cond
-		((member type '("http" "https" "ftp" "mailto"))
+		((member type '("http" "https" "ftp"))
 		 (concat type "://" raw-path))
+		((string= type "mailto") (concat type ":" raw-path))
 		((string= type "file")
 		 (if (not (file-name-absolute-p raw-path)) raw-path
 		   (concat "file://" (expand-file-name raw-path))))
diff --git a/lisp/ox-man.el b/lisp/ox-man.el
index 0db506fd5..6fa238b12 100644
--- a/lisp/ox-man.el
+++ b/lisp/ox-man.el
@@ -645,8 +645,9 @@ INFO is a plist holding contextual information.  See
          (desc (and (not (string= desc "")) desc))
 
          (path (cond
-                ((member type '("http" "https" "ftp" "mailto"))
+                ((member type '("http" "https" "ftp"))
                  (concat type "://" raw-path))
+		((string= type "mailto") (concat type ":" raw-path))
                 ((string= type "file")
                  (if (file-name-absolute-p raw-path)
                      (concat "file://" (expand-file-name raw-path))
diff --git a/lisp/ox-odt.el b/lisp/ox-odt.el
index 8b0c401a0..07848e85e 100644
--- a/lisp/ox-odt.el
+++ b/lisp/ox-odt.el
@@ -2711,8 +2711,9 @@ INFO is a plist holding contextual information.  See
 	 (imagep (org-export-inline-image-p
 		  link org-odt-inline-image-rules))
 	 (path (cond
-		((member type '("http" "https" "ftp" "mailto"))
+		((member type '("http" "https" "ftp"))
 		 (concat type "://" raw-path))
+		((string= type "mailto") (concat type ":" raw-path))
 		((string= type "file")
 		 (if (file-name-absolute-p raw-path)
 		     (concat "file://" (expand-file-name raw-path))