Adding a secondary email helps get back into your account if you’re locked out and can’t access your email.
Tansa n yimayl tis snat ad k-teǧǧ ad tkecmeḍ ɣer umiḍan-ik ma yella ur tezmireḍ ara ad teqqneḍ daɣen ma yella ur tesɛiḍ ara anekcum ɣer tnaka-ik n yimayl.