DN Singh:
> I will get more clear with an example:
>
> yahoo.com has different rejection codes, common of which is TS01. They say,
> after TS01, you aren't supposed to attempt delivery for 4 hours. But, the
According to "Yahoo! Postmaster Help Topics", TS01 means:
* We are seeing unusual traffic from your IP address.
* Email from your mail server is generating complaints from Yahoo! Mail users.
I suggest that you address those problems, instead of asking Postfix
developers to build workarounds.
Wietse