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echo: synchronet
to: Digital Man
from: deon
date: 2022-08-25 09:00:00
subject: Email marked as Spam.

  Re: Email marked as Spam.
  By: Digital Man to deon on Wed Aug 24 2022 12:52 pm

 >  > I tried to update the spamblock_exempt.cfg with the relays IPv6 address (..:9759), but it doesnt seem to make a difference.
 >  > Does this accept IPv6 addresses?

 > It does appear so, yes. Wildcards should be supported too, but not "..".

OK, so it isnt working. (And I'm not using ".." literally, I just didnt want to retype the IPv6 address. It is listed there in full, as well as the /60 CIDR. Mail coming from my relay is still being marked as spam.

Here is the contents of my spamblock_exempt.cfg
2406:3400:314:2490::/60
2406:3400:314:2497:f1d0::1
2406:3400:314:2494:20c:29ff:fed9

 >  > I assuming the forwarding failed, because the email wasnt actually from bt.e2013...@...dlcm.co, it was from 
 > You want to change the from address for fowarded messages?

No.

The "actual" from addresss is xxxx@xxx.co, but for some reason an upstream mailer is probably setting some headers, that is making synchronet think it is "from" bt.e2013xrc30=4ns5qw4x12kd=6lyqyydln5@em427968.dlcm.co, or sbbs is using that header as the "from" address when forwarding it on.

When a receipent "reads" the email, it shows the correct from address xxxx@xxx.co, and even in the logs it reports the correct from address, but it is sending it from the bt.e2... address for some reason:

 >  > Aug 12 21:37:36 d-11-1 synchronet: mail 0177 SMTPS [2406:3400:314:2497:f1d0::1] Added message header #4944 from 'Deon George'
 >  >  to 'deon.george@bbs.leenooks.net' 

IE: If the message is from bill@example.com to bob@example.com, and you configure synchronet to forward bob@example.com to john@example.com, is looks like synchronet is attempt to send it as interal_tracking@tracking.example.com to john@example.com, and since tracking.example.com is a valid email address used by an upstream provider to track bounces it is rejecting the message because it didnt send an email with that tracking ID to john@example.com.

It should be forwarding the message from bill@example.com to john@example.com.





...лоеп

---
 ю Synchronet ю Alterant | an SBBS in Docker on Pi!
                                                                        
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