How do I find my IMAP port number?

How do I find my IMAP port number?

Outlook for PC

  1. In Outlook, click File.
  2. On the Email tab, double-click on the account you want to connect to HubSpot.
  3. Below Server Information, you can find your incoming mail server (IMAP) and outgoing mail server (SMTP) names.
  4. To find the ports for each server, click More settings… >

Which IMAP port should I use?

Port 993
Port 993 – this is the port you need to use if you want to connect using IMAP securely.

What is IMAP and its port number?

Service Name and Transport Protocol Port Number Registry

Service Name Port Number Description
imap 143 Internet Message Access Protocol
imap3 220 Interactive Mail Access Protocol v3
imap3 220 Interactive Mail Access Protocol v3
imaps 993 IMAP over TLS protocol

Does IMAP run on TCP?

TCP is a connection oriented Protocol and is suited for applications which use high reliability and where transmission time is relatively less critical for applications than that use UDP. Hence this is the reason why TCP is the most commonly used application protocol for HTTP,FTP,SMTP,IMAP,POP3.

What is port 443 normally used for?

Port 443 is a virtual port that computers use to divert network traffic. Billions of people across the globe use it every single day. Any web search you make, your computer connects with a server that hosts that information and fetches it for you. This connection is made via a port – either HTTPS or HTTP port.

How do I know what port to use for email?

If you are subscribed to a hosted email relay service you can get the SMTP server hostname and port number from the support page of your email service. If you run your own SMTP server you can find the configured SMTP port number and address from the SMTP server configuration.

What are the ports for POP3 and IMAP?

Mail Ports for POP3, IMAP and SMTP

Protocol Security Setting Port Number(s)
POP3 (receiving mail) Encrypted – SSL 995
POP3 (receiving mail) Unencrypted 110
IMAP (receiving mail) Encrypted – TLS 993
IMAP (receiving mail) Encrypted – SSL 993

Which ports do IMAP and POP use?


  • IMAP uses port 143, but SSL/TLS encrypted IMAP uses port 993.
  • POP uses port 110, but SSL/TLS encrypted POP uses port 995.
  • SMTP uses port 25, but SSL/TLS encrypted SMTP uses port 465.

What ports do IMAP and POP use?