I have exactly the same problem. Actually I had to send my message twice because of this, as the first, to [log in to unmask] was rejected as you say.
jem c.
[log in to unmask]
On 13.10.2012, at 10.24, Žorvaršur Davķšsson <[log in to unmask]> wrote:
>
> In the past I could always use the following email addresses interchangeably
>
> [log in to unmask]
> [log in to unmask]
>
>
> Now suddenly posts that use the address
> [log in to unmask]
>
> are sent back to me with this comment:
>
>
> ----- The following addresses had permanent fatal errors -----
> <[log in to unmask]>
> (reason: 550 5.0.0 <[log in to unmask]>... No "nisus" in name directory)
> ( )
>
>
> The address <[log in to unmask]> still seems to work, BUT *replying* to a message is not possible, because the Reply-To field still carries the address <[log in to unmask]>. In other words, one has to EDIT the mail and replace *manually* the automatically inserted [log in to unmask] with <[log in to unmask]>.
>
>
> Has anyone else noticed this? What is happening here?
>
>
> Žorvaršur
