550 at web.de and gmx.de

Hey sweeties, many thanks for offering the disroot-services to the world. I am definitely a verrry happy user.

Recently and not regularly, I receive Undelivered Mail Returned to Sender (550) from web.de and gmx.de. Sometimes it works somtimes it doesn’t. It works for another sender email account I used instead. I can not specify more in the moment. Thanks for any advice. Here’s what the returned mail says:

 <xxx@gmx.de>: host mx00.emig.gmx.net[212.227.15.9] said: 550-Requested
    action not taken: mailbox unavailable 550-Reject due to policy
    restrictions. 550 For explanation visit
    http://postmaster.gmx.com/en/error-messages?ip=178.21.23.139&c=mfi (in
    reply to MAIL FROM command)



Reporting-MTA: dns; disroot.org
X-Postfix-Queue-ID: 1C9C72ED86
X-Postfix-Sender: rfc822; theologe@disroot.org
Arrival-Date: Tue, 29 May 2018 14:31:34 +0200 (CEST)

Final-Recipient: rfc822; xxx@gmx.de
Original-Recipient: rfc822;xxx@gmx.de
Action: failed
Status: 5.0.0
Remote-MTA: dns; mx00.emig.gmx.net
Diagnostic-Code: smtp; 550-Requested action not taken: mailbox unavailable
    550-Reject due to policy restrictions. 550 For explanation visit
    http://postmaster.gmx.com/en/error-messages?ip=178.21.23.139&c=mfi



Return-Path: <theologe@disroot.org>
Received: from localhost (localhost [127.0.0.1])
	by disroot.org (Postfix) with ESMTP id 1C9C72ED86
	for <xxx@gmx.de>; Tue, 29 May 2018 14:31:34 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail;
	t=1527597094; bh=lqWfHL4QLhZLAI9jlhKOsqFubWCtJ4xOqOtju1u5+cY=;
	h=To:From:Subject:Date;
	b=cU07kIc9XDwvl7gVckX6zM2kIcsNfgwDZEE95EsXt/HAvJ9MEN8wSYMvGPSfhf0xj
	 a3qNEKFrQv9vNWCo5ZqImNS7THFuOWdJLuUu70lc1f/4YcFmT0PyyXfKcbFgT0uqBQ
	 hHXe9zR8KbgMoLf2KZzCKq49OVA5gNAMHdqtnLauniGJLSDOX3EX+sPODfC5NThtXs
	 hL9nayeSP56TGMWwfAgEOKgEUg8g/Tru/I1xh/mcj+hqrUkNqWqFzxmV1a44up653K
	 R4vfhggh5jqXC47L0utQLGEadwCCKhJwfz5mZUMJZPMOjCRysgCOESMAwM2GcF420c
	 NiM9j3ZGQsl/g==
X-Virus-Scanned: Debian amavisd-new at disroot.org
Received: from knopi.disroot.org ([127.0.0.1])
	by localhost (disroot.org [127.0.0.1]) (amavisd-new, port 10024)
	with ESMTP id 5tu2xJSvtOUE for <xxx@gmx.de>;
	Tue, 29 May 2018 14:31:26 +0200 (CEST)
To: Mario Heinig <xxx@gmx.de>
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail;
	t=1527597085; bh=lqWfHL4QLhZLAI9jlhKOsqFubWCtJ4xOqOtju1u5+cY=;
	h=To:From:Subject:Date;
	b=iwA/2S35EPsdr6yNMmfiPR1UuximHCrVBbtjnUHR6KPiwWssAaAk/DJjT/Fne+7pt
	 ZSBDkqnBzuxCxaONwk0j/fFUQRg2IkwDK7xypKu3yPDvG4LG7mM/qpu49g7FZ4uVot
	 4ZX4jrGCEZqf+w/kn18jTdbNiVdbsKb3pnK5itFv4kYsF89dYuNFSxFqHQJ7Laj6z1
	 Ap683d9rV3cGqRCDtmUfKzoukDdbTs4LUjvKZ5dYypfBkLoEbMaud2kHINkyNJ7Yz2
	 TZzvUs8nJZxlfIASY0HFWu3AEkKnB8rLUIgdySgvGLcvsEHmAuvYWwysrA5Gt/Icyu
	 iEt4zPEuwjm+w==
From: Theologe <theologe@disroot.org>
Subject: Die Geschichte der 'Verlierer'...
Openpgp: preference=signencrypt
Autocrypt: addr=theologe@disroot.org; keydata=
 xsFNBFma+ogBEADIlsJ8iwL+1lv0Ae3FBxlkpMBj1fr4ySfH9Gt/vm25ZxBJmzyJuJFUfpG1
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 5H+6e0vffeCcwiyxGrID3KVyAf4t4qAFNORhd4lU+JCREp8PTsa2yqW4ndYh1r2LCy9Efh2e
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 8RTZu/0hNUJdtvnsJ+NZfmN04lBt2Fb9gqwSgp3Y/SbQ9HWBFyenoutfbWXrQV1Yc9ZV5yyC
 JvuiJjd0/f697CyTfSxWPJ3cvo0rdOXHS9b9JtnhuVqN8UVyPzCg0AcWg45Rn/eiVOO3X0ra
 iZugFUal9fIpzWwGxdF4L4chQMxODtVzluXy6POJ3ccJSNftDsiU+7XE0yobxY5/SM0OS4nG
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 ZgvOxQOSkzIW0ITbVLVthSKJ8BvLQacxBMGlwVAMz/cximRWtQARAQABzSBUaGVvIExvZ2Ug
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 BhUIAgkKCwQWAgMBAh4BAheAAAoJEDocz6qJ9yCzkd8QAI1StVfuHX7GhshOeWYXNRSjF9r0
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 7/QPT0SFP4jGLYulwhGT6piGQjIWw7DxRA1QsOOeZSw3ZR/NDCLJQq6JAa2EawTWh887044i
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 qs5a3NtuPP3ZULPnmm39wX9a+Bs94f0KrJJt3egjjKiQf1vMMNpB7eVOykRzf1KKKQh5iOPT
 Sbf6fz6USOChFpKzIeIztnEwWkFraAnMn+lIYVY9QQ3o0+3BJbhk/bFC4CBPrej/lu6W618E
 VrarCxut40fa+fuIH0Wf9J4+DFXct/+4fwpvlz9wza8q9MRCJWQN5hPNcoVS+fQL/HSagK3J
 zevKM/UhgjxkChcFwlqFVmMPS+PR0x6yacahbVc0uoATBID7MXykL97E7uJ5xsr1Vu3+gUfA
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 IXfSLwjM
Message-ID: <6e12ff0f-1d9f-7253-134f-a087488ad385@disroot.org>
Date: Tue, 29 May 2018 14:31:17 +0200
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101
 Thunderbird/52.8.0
Mime-Version: 1.0
Content-Type: multipart/mixed;
 boundary="------------D63245ED302BDAA98EE4ABA8"
Content-Language: en-US
`

Thanks for the report. We’ll check it and get in touch with gmx folks.

Some time ago we’ve been a victim of very nasty yet clever spam attack originating from disroot and targetting gmx, which in return got us blocked. We think we managed to fight it off, but it could be spammers came up with a workaround or something.

This also affects other domains belonging to “United Internet” like online.de, schlund.de, and domains of their clients, for example reymann.org.

So far I havent heard from gmx. We’ve explained in detail the nature of the spamm attack from few weeks back, the way it was circumventing their ban and our rate limits. But seems like it takes very long time to get anything from them back. Pitty because free.fr was very fast to reply when they blocked us (a day after they were blocked by spamcop :P)

I hope they will get in touch with us soon. Otherwise we’ll have to keep spamming. :expressionless: Maybe involve some of their users to complain.

@m4lvin @theologe could you verify if emails are being delivered now? According to postmaster on gmx side they are and so they are asking for the specific emails addresses that bounce and also probably headers. So if you still have trouble please contact us via support with more details so we can check with gmx folks on per case base.

Just heard from gmx.de that they have lifted the ban on our IP. Everything should work as expected again \o/

thank you guys. sorry for late reply. I never had this issue again since. :slight_smile:

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