[anti-abuse-wg] Mimecast.com
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andre at ox.co.za
andre at ox.co.za
Wed Nov 4 09:29:22 CET 2015
On Wed, 4 Nov 2015 13:48:51 +0530 Suresh Ramasubramanian <ops.lists at gmail.com> wrote: > Mimecast’s chief scientist is Nathaniel Borenstein - who originally > wrote the MIME spec. > They are legit. I am not sure what is going on here. > thank you for the reference Mr Ramasubramanian, would you do me the kind favor of asking them: why they are blocking @188.40.114.80 - which is also the ip used to send emails to this list. - and then maybe tell us, in public what is going on? If they are not extorting money, then I surely must have abused them or their users? Or their system is broken, or what? but i think that they may not bee that legit? or they have changed their corporate goals? or there are new management, or something? Just from what you can see here: https://community.mimecast.com/docs/DOC-1369#554 then they are bouncing with 554 to support@ that is clearly not legit. or it is a serious flaw/broken system? they could bounce of course any way they like, but bouncing with something that is going to return is basically saying only one thing - there is no way to communicate with them, as when I do that is simply added to their block... that is not cool, nice, decent or even fair bahavior? andre > > On 04-Nov-2015, at 1:14 PM, andre at ox.co.za wrote: > > > > Hello, > > > > Has anyone of you had much/any dealings with this crowd: > > Mimecast.com ? > > > > Less than 1% of our email volume exchanges with them, and yesterday > > after complaining about abuse/UBE from them and receiving no > > response, escalated to @telstra and then all of a sudden they are > > returning all email in a loop: > > > > support at mimecast.com > > host service-alpha-inbound-b.mimecast.com [91.220.42.231] > > SMTP error from remote mail server after end of data: > > 554 Email rejected due to security policies - > > https://community.mimecast.com/docs/DOC-1369#554 > > > > Then, when I email them from a different server, it goes through the > > first time and viola, the second email, same block, on the "new" > > server" > > > > From their website: They provide email filtering services, this > > feels like they are extorting money from me, which I will not pay > > of course. > > > > But, have any of you had any similar experiences? As they are > > providing this type of "service" to some of our @gov departments > > as well as other large companies, I will have user blowback - what > > do I tell my users? We are blocked because we dared complaining? > > or we are blocked because we do not pay? > > > > any advice will be appreciated, obviously this type of behavior > > breaks email and the larger the "protectors" become, the more > > control they have... > > > > tia > > > > andre > > > > >
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