A domain has two MX records: mail1 with preference 10 and mail2 with preference 20. How do sending servers use them?
Un domaine a deux enregistrements MX : mail1 avec une préférence de 10 et mail2 avec une préférence de 20. Comment les serveurs expéditeurs les utilisent-ils ?
Answers
AThey share the mail equally between the two serversIls répartissent le courrier à parts égales entre les deux serveurs
BThey try mail2 first because its number is higherIls essaient d'abord mail2, car son numéro est plus élevé
CThey send only large attachments through mail2Ils n'envoient par mail2 que les pièces jointes volumineuses
DThey try mail1 first and fall back to mail2Ils essaient d'abord mail1 et se rabattent sur mail2
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