Port 25 is for SMTP, now considered insecure
Port 110 is associated with POP3 which retrieves emails but is only secure with additional encryption
Port 143 is associated with IMAP, without encryption
Port 587 is the secure version of SMTP and uses TLS encryption
D. simple mail transfer protocol (SMTP)
Application protocol used to send mail between hosts on the Internet. Messages are sent between servers over TCP port 25 or submitted by a mail client over secure port TCP/587.
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Intel_Geek
Highly Voted 2 months, 2 weeks agoHeatSquad77
Most Recent 14 hours, 24 minutes agochupapi_001
2 months, 2 weeks ago