gmail rejects forwarded mail from external source, but not from mail cli. why?

[Henrik Bechmann]

Hi I'm trying to understand what's going on with my mail forwarding.

I just got a new digital ocean droplet, and set up postfix to forward mail from the domain to gmail. But it doesn't arrive.

I have an identical setup on a different droplet, and it works perfectly. Digital ocean staff think the ip recently belongs to a spammer.

OK, so I filled out the form to ask google to drop the block, and now I'm waiting.

But in the meantime if I forward email from the cli

echo "This will go into the body of the mail." | mail -s "Hello world" ***@example.com (substituting my own email address)

... it works fine.

Can someone explain this. Does it suggest a clue as to how to free up gmail's block of forwarded mail?

Thanks

- Henrik

[Burkhard Ott]

Post by Henrik Bechmann
Hi I'm trying to understand what's going on with my mail forwarding.
I just got a new digital ocean droplet, and set up postfix to forward
mail from the domain to gmail. But it doesn't arrive.
I have an identical setup on a different droplet, and it works
perfectly. Digital ocean staff think the ip recently belongs to a
spammer.
OK, so I filled out the form to ask google to drop the block, and now I'm waiting.
But in the meantime if I forward email from the cli
echo "This will go into the body of the mail." | mail -s "Hello world"
... it works fine.
Can someone explain this. Does it suggest a clue as to how to free up
gmail's block of forwarded mail?
Thanks
- Henrik

Logfile?