Update reference

2021-02-05 09:49:19 +01:00 · 2021-02-05 09:49:19 +01:00 · 2eaa82698d
parent d8630b9e2c
commit 2eaa82698d
1 changed files with 2 additions and 1 deletions
--- a/src/SMTP.php
+++ b/src/SMTP.php
@ -764,7 +764,8 @@ class SMTP

            //Send the lines to the server
            foreach ($lines_out as $line_out) {
-                //RFC2821 section 4.5.2
+                //Dot-stuffing as per RFC5321 section 4.5.2
+                //https://tools.ietf.org/html/rfc5321#section-4.5.2
                if (!empty($line_out) && $line_out[0] === '.') {
                    $line_out = '.' . $line_out;
                }