Staff email clients at a district hospital send outgoing mail to the hospital's server on the standard message-submission port, upgrading the connection with STARTTLS. Which port is it?
Les clients de messagerie du personnel d'un hôpital de district envoient le courrier sortant au serveur de l'hôpital sur le port standard de soumission des messages, en sécurisant la connexion avec STARTTLS. De quel port s'agit-il ?
Answers
A2525
B465465
C587587
D995995
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