Hi my boss’s email is [email protected]. I want my sent messages to appear [email protected] because I could do that in the insurance’s webmail. in em client I put the the alias [email protected] and then I tried sending an email to [email protected] using my gmail but it keeps on giving me this error.
Delivery to the following recipient failed permanently:
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain us.aflac.com by mail2.us.aflac.com. [209.37.4.39].
The error that the other server returned was:
550 5.1.1 Recipient address rejected: User unknown
Please help. Thanks!