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Which IP addresses does MailChannels send out of?

MailChannels sends messages from a large number of IP addresses. This list of addresses can and does occasionally change. Fortunately, the list is always available in our SPF records. You can look up the list easily using various online tools. We recommend using the SPF record lookup available at MXToolbox & Dmarcian.

For instructions on including our SPF records, see our Set up SPF Records guide.

For quick reference, our SPF record include for example.com:

Location

  Type

  Value

example.com

  TXT   

  v=spf1 a mx include:relay.mailchannels.net  ?all

 

As of December 9, 2020, the following is the complete list of netblocks from which we send email:

23.83.208.0/20
46.232.183.0/24
54.214.232.113
103.18.109.138
172.255.62.10/31
177.153.0.128/25
191.252.57.0/25
199.10.31.235
199.10.31.236
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    Eli Sprague

    23.83.208.1/20 should be 23.83.208.0/20 I believe.

    Edited by Eli Sprague
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