DOMAIN_PART_MAX_LEN
if (len > DOMAIN_PART_MAX_LEN)
char working[DOMAIN_PART_MAX_LEN + 1] = { 0 };
if (len > LOCAL_PART_MAX_LEN + DOMAIN_PART_MAX_LEN + 1)
if (wi >= DOMAIN_PART_MAX_LEN)
if (wi >= DOMAIN_PART_MAX_LEN)