Sendmail, simple mail list problem

[Charlie Schluting]

Alan Curtis wrote:
> 553 You are not authorized to send mail as <otheruser at myisp.com>
> 501 5.6.0 Data format error
> 
> So <myaccount at myisp.com> and <myotheraccount at mywork.com> can send mail 
> to the list but not <otheruser at myisp.com>.
> 
> Any suggestions on how to fix this?
> 

Sounds like your ISP published SPF records, and sites that do SPF 
checking are blocking.
This shouldn't happen if you're sending all mail through your ISP's mail 
server... unless you're ..well I don't know.

Not enough info.
Use real domain names in your questions.

This isn't a freebsd question, though.
-Charlie.