Been getting tons of these over the past few days. Suggest you put
austria in starex.txt file. Austria is an exit and that choice will
cause you lost messages.

Oct 4 02:38:10 postfix/smtp[21396]: 52A5214A11F: to=,
relay=remailer.privacy.at[212.124.141.99]:25, delay=2,
delays=1.9/0/0.1/0.05, dsn=5.1.8, status=bounced (host
remailer.privacy.at[212.124.141.99] said: 550 5.1.8 : Sender address
rejected: Domain not found (in reply to RCPT TO command))

In article <sjen2n$vp0$1@news.mixmin.net>
"rmd" <remedy@not-for-mail.invalid> wrote:
>
> Been getting tons of these over the past few days. Suggest you put
> austria in starex.txt file. Austria is an exit and that choice will
> cause you lost messages.
>
> Oct 4 02:38:10 postfix/smtp[21396]: 52A5214A11F: to=,
> relay=remailer.privacy.at[212.124.141.99]:25, delay=2,
> delays=1.9/0/0.1/0.05, dsn=5.1.8, status=bounced (host
> remailer.privacy.at[212.124.141.99] said: 550 5.1.8 : Sender address
> rejected: Domain not found (in reply to RCPT TO command))

That's because you are a spammer and have been reported by
multiple organizations for spamming and abuse.

550 5.1. 8 Access denied, bad outbound sender AS(41000001) Your
message couldn't be delivered because you weren't recognized as
a valid sender. The most common reason for this is that your
email address is suspected of sending spam and it's no longer
allowed to send messages outside of your organization.

There is an easy way to fix the issue.

Think about it.

>
> In article <sjen2n$vp0$1@news.mixmin.net>
> "rmd" <remedy@not-for-mail.invalid> wrote:
>
>>
>> Been getting tons of these over the past few days. Suggest you put
>> austria in starex.txt file. Austria is an exit and that choice will
>> cause you lost messages.
>>
>> Oct 4 02:38:10 postfix/smtp21396: 52A5214A11F: to=,
>> relay=remailer.privacy.at212.124.141.99:25, delay=2,
>> delays=1.9/0/0.1/0.05, dsn=5.1.8, status=bounced (host
>> remailer.privacy.at212.124.141.99 said: 550 5.1.8 : Sender address
>> rejected: Domain not found (in reply to RCPT TO command))
>
> That's because you are a spammer and have been reported by
> multiple organizations for spamming and abuse.
>
> 550 5.1. 8 Access denied, bad outbound sender AS(41000001) Your
> message couldn't be delivered because you weren't recognized as
> a valid sender. The most common reason for this is that your
> email address is suspected of sending spam and it's no longer
> allowed to send messages outside of your organization.
>
> There is an easy way to fix the issue.
>
> Think about it.

your scenario is not valid this is a middle remailer