Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread Michael Peddemors
Ending the thread on the Mailop on this subject, but they seem to open it up for everyone ;) Based on the number of reports we see.. Also, seems like a lot of dictionary attacks from that IP Space as well. We ONLY audit SMTP traffic .. On 16-11-17 03:02 PM, Renaud Allard via mailop wrote: O

Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread Renaud Allard via mailop
On 17/11/2016 23:49, Michael Peddemors wrote: Of course others are even worse than Hetzner.. 108.61.160.149 (S) 50 108.61.160.149.vultr.com 108.61.161.199 (S) 49 108.61.161.199.vultr.com Actually, by default, outgoing smtp is firewalled at vultr. You need to

Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread Michael Peddemors
And just an addendum because we are talking about it.. # 46.4.161.98 89 static.98.161.4.46.clients.your-server.de # 46.4.161.106 90 static.106.161.4.46.clients.your-server.de # 46.4.161.112 87 static.112.161.4.46.clients.your-server.de Maybe Hetzner can implement an egress rep

Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread Thomas Kramer
> Am 09.11.2016 um 16:41 schrieb John Levine : > > In article you write: >> We're currently having some major issues with our IPs being blacklisted >> by Microsoft. I'm signed up for the SNDS and a huge amount of our IPs >> are "blocked due to user complaints or other evidence of spamming". > >

Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread Rolf E. Sonneveld
On 17-11-16 20:25, Ken O'Driscoll wrote: Hi Bastiaan, Other data centres have the same challenge as you. Hosting providers have historically had a bad reputation because a spammer can use a stolen or pre-paid card to sign up and start sending emails in less than an hour. If you offer shared host

Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread Ken O'Driscoll
Hi Bastiaan, Other data centres have the same challenge as you. Hosting providers have historically had a bad reputation because a spammer can use a stolen or pre-paid card to sign up and start sending emails in less than an hour. If you offer shared hosting, a customer can upload an in-secure scr

Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread Michael Wise via mailop
Mail Reporting Tool ? -Original Message- From: mailop [mailto:mailop-boun...@mailop.org] On Behalf Of Michael Peddemors Sent: Thursday, November 17, 2016 8:04 AM To: mailop@mailop.org Subject: Re: [mailop] Microsoft Blacklisting IPs You might like to share the IP(s) that you are concerned

Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread G. Miliotis
On 17/11/2016 20:28, valdis.kletni...@vt.edu wrote: On Thu, 17 Nov 2016 16:58:35 +0100, Hetzner Blacklist Support said: our customers who use them on their own dedicated servers. They're the ones having issues, since Microsoft has blacklisted large parts of our network. I'm a Hetzner customer a

Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread Valdis . Kletnieks
On Thu, 17 Nov 2016 16:58:35 +0100, Hetzner Blacklist Support said: > our customers who use them on their own dedicated servers. They're the > ones having issues, since Microsoft has blacklisted large parts of our > network. That should be your big hint that you have a customer problem. (The othe

Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread Hetzner Blacklist Support
Thank you for those who replied and made suggestions. I should have mentioned this before, but we're a German webhoster that specializes in dedicated servers. So the majority of our IPs belong to our customers who use them on their own dedicated servers. They're the ones having issues, since Micro

Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread Michael Peddemors
You might like to share the IP(s) that you are concerned with to the list. We are seeing more and more, a trend where email providers are getting more aggressive with hosting providers known for allowing spammers to set up shop. Hosting providers are going to have to start improving the ways t

Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread John Levine
In article you write: >We're currently having some major issues with our IPs being blacklisted >by Microsoft. I'm signed up for the SNDS and a huge amount of our IPs >are "blocked due to user complaints or other evidence of spamming". I'm not surprised. I've blocked most of Hetzner's IP space on

Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread Suresh Ramasubramanian
Here's my guess - do you isolate forwarding traffic to its own cluster, or do you route it all through your usual outbounds? If forwarded spam is getting mixed in with your regular mail stream let us say that hair trigger blocking won't be all that much of a surprise --srs > On 17-Nov-2016, a

Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread Franck Martin via mailop
I would suggest you sign up for the JMRP, so you know what people are complaining about... On Thu, Nov 17, 2016 at 12:46 AM, Angelo Giuffrida < angelo.giuffr...@gmail.com> wrote: > Welcome to the fun game of Microsoft & Hotmail blocks. If you do a search > through the list archives you'll find re

Re: [mailop] Microsoft Blacklisting IPs

2016-11-17 Thread Angelo Giuffrida
Welcome to the fun game of Microsoft & Hotmail blocks. If you do a search through the list archives you'll find responses from Michael (and others) that will be helpful. That should provide you with some information to get started whilst you wait for others to reply. On Thu., 17 Nov. 2016 at 7:24

[mailop] Microsoft Blacklisting IPs

2016-11-17 Thread Hetzner Blacklist Support
Hello, We're currently having some major issues with our IPs being blacklisted by Microsoft. I'm signed up for the SNDS and a huge amount of our IPs are "blocked due to user complaints or other evidence of spamming". It's fairly easy to have the IPs delisted by filling out the "Sender Information