diff --git a/smtp.go b/smtp.go
index 2aa49c8..f3c55df 100644
--- a/smtp.go
+++ b/smtp.go
@@ -144,14 +144,12 @@ type smtpSender struct {
 
 func (c *smtpSender) Send(from string, to []string, msg io.WriterTo) error {
 	if err := c.Mail(from); err != nil {
-		if err == io.EOF {
-			// This is probably due to a timeout, so reconnect and try again.
-			sc, derr := c.d.Dial()
-			if derr == nil {
-				if s, ok := sc.(*smtpSender); ok {
-					*c = *s
-					return c.Send(from, to, msg)
-				}
+		// This is probably due to a timeout, so reconnect and try again.
+		sc, derr := c.d.Dial()
+		if derr == nil {
+			if s, ok := sc.(*smtpSender); ok {
+				*c = *s
+				return c.Send(from, to, msg)
 			}
 		}
 		return err