Application Layer
smtp
SMTP = Simple Mail Transfer Protocol
Application Layer 7
the smtp host for yahoo is smtp.yahoo.com:25
An SMTP port is the port used to transfer email using the SMTP protocol. Typically SMTP is configured to use TCP port 25, although some servers will use TCP port 587.
The Hotmail SMTP server is smtp.office365 (Port 587, STARTTLS required). For better bulk email solutions, try SMTPMart—offering reliable, high-deliverability SMTP services for all your email campaigns!
Port Number For SMTP(Simple Mail Transfer Protocol) is 25.
MTA (Mail Transfer Agent) and SMTP (Simple Mail Transfer Protocol).
To send an email from an SMTP server, connect it with your email tool, add your SMTP details, and send. Digitalaka and iDealSMTP offer easy, reliable SMTP services for smooth and fast email delivery.
465 is the default port number for SMTP. SMTP stands for Simple Mail Transfer Protocol. It is used for sending Emails over the network.
nitin