- /* Handle 4xx responses to RCPT. The code that was received is in the 2nd
- least significant byte of more_errno (with 400 subtracted). The required
- value is coded in the 2nd least significant byte of the yield->more_errno
- field as follows:
+ /* The TLSREQUIRED error also covers TLSFAILURE. These are subtly different
+ errors, but not worth separating at this level. */
+
+ else if (yield->basic_errno == ERRNO_TLSREQUIRED)
+ {
+ if (basic_errno != ERRNO_TLSREQUIRED && basic_errno != ERRNO_TLSFAILURE)
+ continue;
+ }
+
+ /* Handle 4xx responses to MAIL, RCPT, or DATA. The code that was received
+ is in the 2nd least significant byte of more_errno (with 400 subtracted).
+ The required value is coded in the 2nd least significant byte of the
+ yield->more_errno field as follows: