FAIL (the browser should render some flash content, not this).

E-Mail Spooling Service - What IP addresses does ETRN deliver e-mail from?

What IP addresses does ETRN deliver e-mail from?

 

The ETRN systems deliver queued e-mail from the following networks:

  • IPv4:  
    CIDR Network / Netmask Range
    157.97.105.169/32
    157.97.105.170/32
    157.97.105.171/32
    157.97.105.169/255.255.255.255
    157.97.105.170/255.255.255.255
    157.97.105.171/255.255.255.255
    157.97.105.169 - 157.97.105.171
    162.254.27.97/32
    162.254.27.98/32
    162.254.27.99/32
    162.254.27.97/255.255.255.255
    162.254.27.98/255.255.255.255
    162.254.27.99/255.255.255.255
    162.254.27.97 - 162.254.27.99
    204.62.28.0/24 204.62.28.0/255.255.255.0 204.62.28.4 - 204.62.28.250
  • IPv6:  
    CIDR
    2620:7a:0:2800::/64

We Answer Your Questions: FAQ

Q: What is the maximum e-mail attachment size?

A: The ETRN.com e-mail servers do not limit the size of individual e-mail attachments. The ETRN.com e-mail servers do impose a 400 MB maximum total message size limit. Individual customers can choose a smaller message size limit. We can also customize the handling of "over-sized" e-mails. Please contact us to discuss your specific needs. A couple of important facts:

1. Attachments are typically encoded in what is called Base64[1]. As a result, the actual length of MIME-compliant Base64-encoded binary data is usually about 137% of the original file size.

2. E-mails often contain both plain text and HTML components. This also increases the overall size of the e-mail.