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Wednesday, 7 September 2016

Which port number to use for IMAP emails

A common we get asked by our clients is which port number do I use when setting my email account up on my phone. Most email programs also allow you to change the port numbers too.

Below we have put together a list which shows you which port numbers to choose. There is rumours that some internet service providers block certain ports so if 1 port number isn't working for you try another in the list.

Default Ports

IMAP Server (Incoming Messages)

Non-encrypted use port 143
Secure (TLS) use port 143
Secure (SSL) use port 993

SMTP Server (Outgoing Messages)

Non-encrypted use port 25 OR 587
Secure (TLS) use port 587
Secure (SSL) use port 465

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