1 files changed, 27 insertions, 26 deletions

diff --git a/lisp/mail/smtpmail.el b/lisp/mail/smtpmail.el
index b23970d441b..2e5b722de0b 100644
--- a/lisp/mail/smtpmail.el
+++ b/lisp/mail/smtpmail.el
@@ -45,7 +45,7 @@
 ;;(setq smtpmail-starttls-credentials
 ;;      '(("YOUR SMTP HOST" 25 "~/.my_smtp_tls.key" "~/.my_smtp_tls.cert")))
 
-;; To queue mail, set smtpmail-queue-mail to t and use 
+;; To queue mail, set smtpmail-queue-mail to t and use
 ;; smtpmail-send-queued-mail to send.
 
 ;; Modified by Stephen Cranefield <scranefield@infoscience.otago.ac.nz>,
@@ -86,7 +86,7 @@
   :type '(choice (const nil) string)
   :group 'smtpmail)
 
-(defcustom smtpmail-smtp-server 
+(defcustom smtpmail-smtp-server
   (or (getenv "SMTPSERVER") smtpmail-default-smtp-server)
   "*The name of the host running SMTP server."
   :type '(choice (const nil) string)
@@ -139,7 +139,7 @@ The commands enables verbose information from the SMTP server."
   :type 'boolean
   :group 'smtpmail)
 
-(defcustom smtpmail-queue-mail nil 
+(defcustom smtpmail-queue-mail nil
   "*Specify if mail is queued (if t) or sent immediately (if nil).
 If queued, it is stored in the directory `smtpmail-queue-dir'
 and sent with `smtpmail-send-queued-mail'."
@@ -292,7 +292,7 @@ This is relative to `smtpmail-queue-dir'.")
                              ;; ... then undo escaping of matching parentheses,
                              ;; including matching nested parentheses.
                              (goto-char fullname-start)
-                             (while (re-search-forward 
+                             (while (re-search-forward
                                      "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)"
                                      fullname-end 1)
                                (replace-match "\\1(\\3)" t)
@@ -327,16 +327,16 @@ This is relative to `smtpmail-queue-dir'.")
           (setq smtpmail-recipient-address-list
                     (smtpmail-deduce-address-list tembuf (point-min) delimline))
           (kill-buffer smtpmail-address-buffer)
-          
+
           (smtpmail-do-bcc delimline)
           ; Send or queue
           (if (not smtpmail-queue-mail)
               (if (not (null smtpmail-recipient-address-list))
-                  (if (not (smtpmail-via-smtp 
+                  (if (not (smtpmail-via-smtp
                             smtpmail-recipient-address-list tembuf))
                       (error "Sending failed; SMTP protocol error"))
                 (error "Sending failed; no recipients"))
-            (let* ((file-data (concat 
+            (let* ((file-data (concat
                                smtpmail-queue-dir
                                (concat (time-stamp-yyyy-mm-dd)
                                        "_" (time-stamp-hh:mm:ss)
@@ -356,12 +356,12 @@ This is relative to `smtpmail-queue-dir'.")
                 (insert (concat
                          "(setq smtpmail-recipient-address-list '"
                          (prin1-to-string smtpmail-recipient-address-list)
-                         ")\n"))                    
+                         ")\n"))
                 (write-file file-elisp)
                 (set-buffer (generate-new-buffer buffer-scratch))
                 (insert (concat file-data "\n"))
-                (append-to-file (point-min) 
-                                (point-max) 
+                (append-to-file (point-min)
+                                (point-max)
                                 smtpmail-queue-index)
                 )
               (kill-buffer buffer-scratch)
@@ -469,12 +469,13 @@ This is relative to `smtpmail-queue-dir'.")
          (mech (car (smtpmail-intersection smtpmail-auth-supported mechs)))
          (cred (if (stringp smtpmail-auth-credentials)
                    (let* ((netrc (netrc-parse smtpmail-auth-credentials))
-                          (hostentry (netrc-machine 
+                          (hostentry (netrc-machine
                                       netrc host (format "%s" (or port "smtp"))
                                       "smtp")))
-                     (list host port
-                           (netrc-get hostentry "login")
-                           (netrc-get hostentry "password")))
+                     (when hostentry
+                       (list host port
+                             (netrc-get hostentry "login")
+                             (netrc-get hostentry "password"))))
                  (smtpmail-find-credentials
                   smtpmail-auth-credentials host port)))
          (passwd (when cred
@@ -521,7 +522,7 @@ This is relative to `smtpmail-queue-dir'.")
                 (>= (car ret) 400))
             (throw 'done nil)))
        (t
-        (error "Mechanism %s not implemented" mech)))
+        (error "Mechanism %s not implemented" mech)))
       ;; Remember the password.
       (when (and (not (stringp smtpmail-auth-credentials))
                  (null (smtpmail-cred-passwd cred)))
@@ -558,7 +559,7 @@ This is relative to `smtpmail-queue-dir'.")
             (make-local-variable 'smtpmail-read-point)
             (setq smtpmail-read-point (point-min))
 
-            
+
             (if (or (null (car (setq greeting (smtpmail-read-response process))))
                     (not (integerp (car greeting)))
                     (>= (car greeting) 400))
@@ -615,7 +616,7 @@ This is relative to `smtpmail-queue-dir'.")
                   (starttls-negotiate process)
                   (setq do-starttls nil))
               (setq do-ehlo nil))))
-            
+
             (smtpmail-try-auth-methods process supported-extensions host port)
 
             (if (or (member 'onex supported-extensions)
@@ -691,7 +692,7 @@ This is relative to `smtpmail-queue-dir'.")
                       (>= (car response-code) 400))
                   (throw 'done nil)
                 ))
-            
+
             ;; RCPT TO: <recipient>
             (let ((n 0))
               (while (not (null (nth n recipient)))
@@ -705,7 +706,7 @@ This is relative to `smtpmail-queue-dir'.")
                     (throw 'done nil)
                   )
                 ))
-            
+
             ;; DATA
             (smtpmail-send-command process "DATA")
 
@@ -767,7 +768,7 @@ This is relative to `smtpmail-queue-dir'.")
       (setq response-strings
             (cons (buffer-substring smtpmail-read-point (- match-end 2))
                   response-strings))
-        
+
       (goto-char smtpmail-read-point)
       (if (looking-at "[0-9]+ ")
           (let ((begin (match-beginning 0))
@@ -782,10 +783,10 @@ This is relative to `smtpmail-queue-dir'.")
                 nil
               (setq response-continue nil)
               (setq return-value
-                    (cons (string-to-int 
-                           (buffer-substring begin end)) 
+                    (cons (string-to-int
+                           (buffer-substring begin end))
                           (nreverse response-strings)))))
-        
+
         (if (looking-at "[0-9]+-")
             (progn (if smtpmail-debug-info
                      (message "%s" (car response-strings)))
@@ -794,7 +795,7 @@ This is relative to `smtpmail-queue-dir'.")
           (progn
             (setq smtpmail-read-point match-end)
             (setq response-continue nil)
-            (setq return-value 
+            (setq return-value
                   (cons nil (nreverse response-strings)))
             )
           )))
@@ -818,7 +819,7 @@ This is relative to `smtpmail-queue-dir'.")
            smtpmail-code-conv-from)
       (setq data (string-as-multibyte
                   (encode-coding-string data smtpmail-code-conv-from))))
-        
+
   (if smtpmail-debug-info
       (insert data "\r\n"))
 
@@ -855,7 +856,7 @@ This is relative to `smtpmail-queue-dir'.")
       )
     )
   )
-    
+
 
 (defun smtpmail-deduce-address-list (smtpmail-text-buffer header-start header-end)
   "Get address list suitable for smtp RCPT TO: <address>."