* RFC 2033 - Local Mail Transfer Protocol
* RFC 2034 - SMTP Service Extension for Returning Enhanced Error Codes
* RFC 2197 - SMTP Service Extension for Command Pipelining
+ * RFC 2476 - Message Submission
* RFC 2487 - SMTP Service Extension for Secure SMTP over TLS
* RFC 2554 - SMTP Service Extension for Authentication
* RFC 2821 - Simple Mail Transfer Protocol
else if (config.c_allow_spoofing == 0) {
process_rfc822_addr(SMTP->from, user, node, name);
if (CtdlHostAlias(node) != hostalias_nomatch) {
- cprintf("550 5.1.8 "
+ cprintf("550 5.7.1 "
"You must log in to send mail from %s\r\n",
node);
strcpy(SMTP->from, "");