Comcast Xfinity Email Settings and Support Guide

A handy reference guide to Comcast Xfinity email, account log in, settings, speed test, and support. Comcast Cable was rebranded as Xfinity in 2010, and is one of the largest internet, phone, and cable providers in the US.

check your email

Log into your Comcast/Xfinity email:

Server settings for email:

Username Your email address (including the @ portion)
SMTP server Server:
Port: 587
Security type (if prompted): STARTTLS
Authentication: Yes
IMAP server Server:
Port: 993
Security type (if prompted): SSL or TLS
POP server Server:
Port: 995
Security type (if prompted): SSL or TLS

pay your xfinity bill

Here's every way that you can pay your residential Xfinity bill online.

xfinity speed test and outage check

Experiencing slower than expected internet speeds? Start diagnosing the problem by running a speed test. Try the official Xfinity speed test, or one of the free public speed test sites below.

Is Xfinity internet currently down?

If you're having trouble accessing Xfinity/Comcast services, try rebooting your router and modem. After that, if you still can’t access your services, you can check the Xfinity Status Center to found out about reported Comcast outages. You can also check third-party websites like Downhunter to see if other customers are reporting problems:

xfinity customer support phone numbers