[mailop] antispam service recommendations?

2017-07-17 Thread Mark Jeftovic
Hi, we're looking for recommendations for an antispam service we can layer in front of our hosted IMAP offering. We've tried a few services so far and our testing has found serious deficiencies. Requirements: * hosted or virtual appliance * quarantine with management (auto-purge options) *

Re: [mailop] Properly vetting an hosting provider before buying/moving

2017-07-17 Thread Jay Hennigan
On 7/17/17 11:59 AM, Stefano Bagnara wrote: Please, show the data.. I take your "top 10 list from spamhaus" and I compare it with the top email senders (not spam, but email) from senderbase: https://www.talosintelligence.com/reputation_center/email_rep#top-senders-owner (sort by volume, desc).

Re: [mailop] Properly vetting an hosting provider before buying/moving

2017-07-17 Thread Brandon Long via mailop
On Mon, Jul 17, 2017 at 10:51 AM, Simon Forster wrote: > On 17 Jul 2017, at 16:59, Stefano Bagnara wrote: > > On 17 July 2017 at 16:57, Simon Forster wrote: > > > On 17 Jul 2017, at 13:28, Stefano Bagnara wrote: > >

Re: [mailop] Properly vetting an hosting provider before buying/moving

2017-07-17 Thread Stefano Bagnara
On 17 July 2017 at 21:17, Eric Tykwinski wrote: > Of more interest to me is how is anyone proactively monitoring for spam? > We have in place a lot of reactive methods, ie monitoring abuse boxes, FBLs, > and using Netflow/SiLK to track SMTP volume changes. > I've never

Re: [mailop] Properly vetting an hosting provider before buying/moving

2017-07-17 Thread Eric Tykwinski
> From: mailop [mailto:mailop-boun...@mailop.org] On Behalf Of Simon Forster > Sent: Monday, July 17, 2017 10:57 AM > To: Stefano Bagnara > Cc: mailop > Subject: Re: [mailop] Properly vetting an hosting provider before > buying/moving > > > On 17 Jul 2017, at 13:28, Stefano Bagnara

Re: [mailop] Properly vetting an hosting provider before buying/moving

2017-07-17 Thread Michael Peddemors
On 17-07-17 11:21 AM, Michael Wise via mailop wrote: Looks like #1 is mostly Azure. Bringing this to certain peoples' attention now. ... Aloha, Michael. At the same time, push them to implement an 'rwhois' server for the Microsoft IP space ;) Or at least try to SWIP to what parts of the

Re: [mailop] btinternet.com blacklist

2017-07-17 Thread Tim Starr
An overall admirable response, keep up the good work. Just 2 questions: 1) Why not put TLDR at top? 2) Why allow email to be sent at all from "unmanaged servers"? -Tim On Mon, Jul 17, 2017 at 7:44 AM, Hetzner Blacklist wrote: > I just got back from a 2 week holiday and

Re: [mailop] Properly vetting an hosting provider before buying/moving

2017-07-17 Thread Stefano Bagnara
On 17 July 2017 at 19:51, Simon Forster wrote: > [...] > But I digress. To an extent your point is fair enough. Big hosters are more > likely to end up on the “worst” lists. However, there’s a qualitative > element which is not so readily apparent. You can extrapolate it

Re: [mailop] Properly vetting an hosting provider before buying/moving

2017-07-17 Thread Michael Wise via mailop
Looks like #1 is mostly Azure. Bringing this to certain peoples' attention now. ... Aloha, Michael. -- Michael J Wise Microsoft Corporation| Spam Analysis "Your Spam Specimen Has Been Processed." Got the Junk Mail Reporting Tool ? -Original Message- From: mailop

Re: [mailop] Properly vetting an hosting provider before buying/moving

2017-07-17 Thread Simon Forster
> On 17 Jul 2017, at 16:59, Stefano Bagnara wrote: > > On 17 July 2017 at 16:57, Simon Forster > wrote: >> >> On 17 Jul 2017, at 13:28, Stefano Bagnara wrote: >> >> Senderscore, >> senderbase, uce-protect,

Re: [mailop] Properly vetting an hosting provider before buying/moving

2017-07-17 Thread Stefano Bagnara
On 17 July 2017 at 16:57, Simon Forster wrote: > > On 17 Jul 2017, at 13:28, Stefano Bagnara wrote: > > Senderscore, > senderbase, uce-protect, spamhaus, spamcop and other sources are not > publishing informations that declare OVH worse than others direct >

Re: [mailop] btinternet.com blacklist

2017-07-17 Thread Simon Forster
> On 17 Jul 2017, at 14:44, Hetzner Blacklist wrote: > > I’ve been in contact with a number of people this past year and many of > them have acknowledged that our network no longer deserves a bad > reputation. However, I can fully understand that not everybody will >

Re: [mailop] Properly vetting an hosting provider before buying/moving

2017-07-17 Thread Simon Forster
> On 17 Jul 2017, at 13:28, Stefano Bagnara wrote: > > Senderscore, > senderbase, uce-protect, spamhaus, spamcop and other sources are not > publishing informations that declare OVH worse than others direct > competitor in EU.

Re: [mailop] btinternet.com blacklist

2017-07-17 Thread Hetzner Blacklist
I just got back from a 2 week holiday and have been reading this thread with a lot of interest. I thought I would respond and try to explain the situation from our perspective. I could write an entire essay on this, but I have tried to be as concise as possible, though it is still a wall of text.

Re: [mailop] Properly vetting an hosting provider before buying/moving

2017-07-17 Thread Stefano Bagnara
On 17 July 2017 at 07:01, Philip Paeps wrote: > Following this discussion a couple of weeks ago, I've been keeping track. > > Last week, about 55% of spam I received either came from OVH or advertised > webpages hosted on OVH servers. Second place spammer was 1and1, online.net