- if (plussed_user_addon != NULL && *plussed_user_addon != '\0')
- snprintf(username, sizeof(username), "%s+%s",
- username, plussed_user_addon);
+ if (username_extension != NULL && *username_extension != '\0')
+ /* $USERNAME_EXTENSION environment variable has been set, so tack on
+ its value to the actual username. This is meant to interact with
+ qmail's "user-extension" feature and sendmail's "plussed user"
+ feature. */
+ snprintf(username, sizeof(username), "%s%s",
+ username, username_extension);