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How do I Send As my subdomain account from within bMail?


Subdomain accounts are accessible from within the normal bMail interface, with mail addressed to them [for example,] arriving in your inbox and being available as a Send From address.

How do I send from my subdomain email address and make it my default Send From address?

  1. Navigate to
    • If prompted by the CalNet Authentication Screen, enter your CalNetID and passphrase as appropriate.
  2. Navigate to Google's Knowledge Base article, Send mail from a different address or alias.
    • Click on the I'm a Google Apps for Business user sending from a domain alias or email alias.
    • When following the procedure, enter your full sub-domain email address.
  3. After setting up the alias / sub-domain account, navigate to Google's Knowledge Base article, Change the "From" address when replying or forwarding.
    • This article will show you how to Send As the alternate account and how to set it as the default Send From address.
  4. Send email as desired.

For additional assistance, contact CSS IT at 510-664-9000 and follow the prompts to reach a technician from between 8 am to 5 pm, Monday through Friday. A ticket may also be submitted through or by e-mailing