I hope this is within the allowable topics for this list. I tried
searching the archives, but haven't found an answer for the issue below
yet. If anyone could shed some light, it would be very much appreciated.
A few days ago I started having issues with the public IPv4 address of
one network
On 18/04/2024 12:03, Marco Moock wrote:
Am 18.04.2024 schrieb Sebastian Arcus via mailop :
A few days ago I started having issues with the public IPv4 address
of one network I look after ending up on the Spamhaus XBL and CSS
blacklists.
https://www.spamhaus.org/blocklists/exploits-blocklist
also blocking outbound connections on port 587?
On Thu, 18 Apr 2024 at 13:57, Sebastian Arcus via mailop
wrote:
I hope this is within the allowable topics for this list. I tried
searching the archives, but haven't found an answer for the issue below
yet. If anyone could shed some light, it
On 18/04/2024 12:18, Matus UHLAR - fantomas via mailop wrote:
On 18.04.24 11:52, Sebastian Arcus via mailop wrote:
I hope this is within the allowable topics for this list. I tried
searching the archives, but haven't found an answer for the issue
below yet. If anyone could shed some
On 18/04/2024 12:46, Marco Moock wrote:
Am 18.04.2024 schrieb Sebastian Arcus via mailop :
However, if keeping outbound port 587 open turns out to be causing
real headaches, I could take a look at revising the existing approach.
If that is an issue, they should inform your ISP about the
On 18/04/2024 13:06, Graeme Fowler wrote:
On 18 Apr 2024, at 12:17, Sebastian Arcus wrote:
That is really useful information - thank you. I'm actually not overly worried
about revealing the IP address - I guess it is a public IP anyway. If anybody
can take a look at let me know - that woul
On 18/04/2024 13:44, Marco Moock via mailop wrote:
Am 18.04.2024 schrieb Sebastian Arcus via mailop :
The mention of HELO is what threw me off - and I kept on thinking
that it's not possible, as port 25 is blocked. But I completely
missed the point that even authenticated connections o
On 18/04/2024 14:21, Marco Moock wrote:
Am 18.04.2024 schrieb Sebastian Arcus via mailop :
On 18/04/2024 13:44, Marco Moock via mailop wrote:
Am 18.04.2024 schrieb Sebastian Arcus via mailop
:
The mention of HELO is what threw me off - and I kept on thinking
that it's not possible, as
On 18/04/2024 14:20, Slavko via mailop wrote:
Dňa 18. apríla 2024 11:22:10 UTC používateľ Sebastian Arcus via mailop
napísal:
However, if keeping outbound port 587 open turns out to be causing real
headaches, I could take a look at revising the existing approach.
IMO, one don't ne
On 18/04/2024 14:05, Marco Moock via mailop wrote:
Am 18.04.2024 schrieb Bill Cole via mailop :
I can't say that Spamhaus lists IPs that engage in the abusive
practice of remote sender verification but I would be happy to hear
that they are doing so and CSS+XBL listing is a reasonable expressio
with reputation.. And I don't think they
really care to help the innocent operators on their networks with
reputation problems..
On 2024-04-18 03:52, Sebastian Arcus via mailop wrote:
I hope this is within the allowable topics for this list. I tried
searching the archives, but haven
On 18/04/2024 19:14, Matthew Richardson via mailop wrote:
Sebastian Arcus via mailop wrote:-
In that case I think I am back to square one. If an infected device
connecting to 587/465 to various servers on the internet, from our
network, to try and guess passwords/break into accounts wouldn&#
Hello list. In the last few days Virgin Media in UK (@virginmedia.com,
@ntlworld.com) have started to bounce emails from one of the domains I
manage. There isn't a lot to go on - as being a 550 message, there isn't
any info about being blacklisted or similar. I am working on the
assumption that
On 17/09/2024 12:36, Peter N. M. Hansteen wrote:
From the symptoms you describe, I would say this matches somebody running
a joejob (https://en.wikipedia.org/wiki/Joe_job) campaign and most likely
bought a bottom of the barrel spamto: list with a generous helping of
outdated or never-existed-in-
On 17/09/2024 14:06, Peter N. M. Hansteen wrote:
On Tue, Sep 17, 2024 at 01:57:03PM +0100, Sebastian Arcus via mailop wrote:
On 17/09/2024 12:36, Peter N. M. Hansteen wrote:
From the symptoms you describe, I would say this matches somebody running
a joejob (https://en.wikipedia.org/wiki
On 17/09/2024 14:50, Stuart Henderson wrote:
On 2024/09/17 13:57, Sebastian Arcus via mailop wrote:
On 17/09/2024 12:36, Peter N. M. Hansteen wrote:
From the symptoms you describe, I would say this matches somebody running
a joejob (https://en.wikipedia.org/wiki/Joe_job) campaign and most
sm": "mx"
"dmarc": {
"record": null,
"valid": false,
"location": null,
"error": "A DMARC record does not exist for this domain or its base
domain"
~ Matt
Yes - thank you for checking. That has
On 17/09/2024 12:15, Sebastian Arcus via mailop wrote:
Hello list. In the last few days Virgin Media in UK (@virginmedia.com,
@ntlworld.com) have started to bounce emails from one of the domains I
manage. There isn't a lot to go on - as being a 550 message, there isn't
any info a
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