Learn about digital signatures (DKIMs)

Emails you send through Yahoo! or other servers have an AT&T digital signature.

AT&T digital signature (DKIM)

Emails you send through Yahoo!® will have s=s1024 in the DKIM signature.

Messages from any of the following domains will have d= in their DKIM:
  • currently.com
  • ameritech.net
  • att.net
  • bellsouth.net
  • flash.net
  • nvbell.net
  • pacbell.net
  • prodigy.net
  • sbcglobal.net
  • snet.net
  • swbell.net
  • wans.net
Last updated: January 18, 2023

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