Remember, SMTP is for sending emails, and IMAP/POP3 is for retrieving emails from a mail server.
PPP
HTTP
FTP
SMTP
The SMTP (Simple Mail Transfer Protocol) is used to send emails, while receiving emails typically involves protocols like IMAP or POP3. The other options, such as FTP (File Transfer Protocol) and HTTP (Hypertext Transfer Protocol), are not related to email communication.
The correct IUPAC name of \([ \text{Pt}(\text{NH}_3)_2\text{Cl}_2 ]^{2+} \) is: