I have fallen foul of this with IP’s from Hyperoptic in the UK, I was forever tying to clear an IP because the block was being listed, in the end I just gave up and used a tunnel with an IP from a reputable ISP
John Devine > On 17 Aug 2021, at 18:43, Scott Mutter via mailop <[email protected]> wrote: > > Thanks guys! This all seems to be resolved now. At least with Comcast - it > would seem they were kind enough to allow an exemption for our IP address in > this. But I suspect any other mail server that is utilizing Vade we may run > into this issue with them as well. > > Appreciate others checking and verifying that they were not seeing any spam > from this IP. I know too well that spamming incidents can happen, but when > they do I can usually tell because the IP is blocked with numerous lists and > services. And in those cases I very much understand why it's listed. I do > what I can to prevent these spamming incidents, but unfortunately some fall > through the cracks every now and then. > > Unfortunate that an entire class C was listed in this. It might be important > to note that a lot of providers further split up that class C into multiple > entities and then delegate those IPs out to others for use. I guess > desperate times call for desperate measures which leads to a class C listing. > But seldom is it all 256 IPs in the class C that are a part of the abuse. > > On Tue, Aug 17, 2021 at 9:23 AM Brotman, Alex <[email protected] > <mailto:[email protected]>> wrote: > Comcast utilizes an RBL supplied by Vade, as the URL indicated. This has > been remediated as of early this morning, and it was noted that it wasn’t a > single IP in the /24 that was to blame (I don’t have more information than > that currently). > > > > -- > > Alex Brotman > > Sr. Engineer, Anti-Abuse & Messaging Policy > > Comcast > > > > From: mailop <[email protected] <mailto:[email protected]>> > On Behalf Of Scott Mutter via mailop > Sent: Monday, August 16, 2021 9:08 PM > To: [email protected] <mailto:[email protected]> > Subject: Re: [mailop] [EXTERNAL] Re: Vade - Blacklisting > > > > Thanks Alex. > > > > This looks to be working now. > > > > Was this being blocked by Comcast or by Vade? > > > > Unfortunately I don't have services or access to the whole /24. Tis a shame > that an entire Class-C had to be blocked. > > > > On Mon, Aug 16, 2021 at 2:55 PM Brotman, Alex <[email protected] > <mailto:[email protected]>> wrote: > > Not sure why my response didn’t go to the list: > > > > Scott, > > > > It looks like the /24 is blocked, and I’ll see if I can find out why (I’ll > reply off-list with that info). In the meantime, we’ll put in an exemption > for the range. That should be in place shortly. > > > > > > > > > > -- > > Alex Brotman > > Sr. Engineer, Anti-Abuse & Messaging Policy > > Comcast > > > > From: mailop <[email protected] <mailto:[email protected]>> > On Behalf Of Scott Mutter via mailop > Sent: Monday, August 16, 2021 2:25 PM > To: [email protected] <mailto:[email protected]> > Subject: [EXTERNAL] Re: [mailop] Vade - Blacklisting > > > > Got the response: > > > > Hello, > > Thank you for your report. > It has been taken into account in our continuous improvement processus. We > will get back to you if necessary. > Please note that the analysis may take a few days and your situation might > improve in the meantime. > We advise you to keep an eye on your performance. > > Regards > > Your Anti-Abuse Vade team. > > > > And it's still blocked. > > Apologies because I'm probably not in the right state of mind right now. > This is kind of a tipping point for me right now. Just really frustrated at > providers like this that feel they can hold us hostage simply because we're > not Microsoft, or Yahoo, or Google. > > I mean, if the IP is really sending out spam (why is it not on any other > blacklist?) then I want to know. I want to remedy the situation. But to > block an IP for no reason. To refuse to unblock an IP for no reason. ... > Why is a reputable company like Comcast (?) going to bed with such an entity? > > > > On Mon, Aug 16, 2021 at 1:03 PM Al Iverson <[email protected] > <mailto:[email protected]>> wrote: > > You might find https://sendertool.vadesecure.com/ > <https://urldefense.com/v3/__https:/sendertool.vadesecure.com/__;!!CQl3mcHX2A!XF25OLva-Ih77MhIuEK7cs4xHphSzQOYD2a2I7TNSNKYmE4d77DtUYCAr9wO2-RhgVAc$> > to be a better way > to work through the issue. > > Good luck, > Al Iverson > > On Mon, Aug 16, 2021 at 12:24 PM Scott Mutter via mailop > <[email protected] <mailto:[email protected]>> wrote: > > > > Anybody from Vade on the list able to give any details as to why > > 66.11.124.112 is listed? > > > > Apparently Comcast uses Vade as part of their blacklist and this IP is > > being blocked by Comcast's mail servers > > > > 554 resimta-po-40v.sys.comcast.net <http://resimta-po-40v.sys.comcast.net/> > > resimta-po-40v.sys.comcast.net <http://resimta-po-40v.sys.comcast.net/> > > 66.11.124.112 found on one or more DNSBLs, see > > http://postmaster.comcast.net/smtp-error-codes.php#BL001000 > > <https://urldefense.com/v3/__http:/postmaster.comcast.net/smtp-error-codes.php*BL001000__;Iw!!CQl3mcHX2A!XF25OLva-Ih77MhIuEK7cs4xHphSzQOYD2a2I7TNSNKYmE4d77DtUYCAr9wO26ZjDBa2$> > > > > Going to http://postmaster.comcast.net/smtp-error-codes.php#BL001000 > > <https://urldefense.com/v3/__http:/postmaster.comcast.net/smtp-error-codes.php*BL001000__;Iw!!CQl3mcHX2A!XF25OLva-Ih77MhIuEK7cs4xHphSzQOYD2a2I7TNSNKYmE4d77DtUYCAr9wO26ZjDBa2$> > > leads to a spill where they pass the buck to Vade. > > > > Would really like to know why this IP is listed with Vade. Or does Vade > > just add IPs to their blacklist because they can? > > _______________________________________________ > > mailop mailing list > > [email protected] <mailto:[email protected]> > > https://list.mailop.org/listinfo/mailop > > <https://urldefense.com/v3/__https:/list.mailop.org/listinfo/mailop__;!!CQl3mcHX2A!XF25OLva-Ih77MhIuEK7cs4xHphSzQOYD2a2I7TNSNKYmE4d77DtUYCAr9wO27e2wrTS$> > > > > -- > Al Iverson // Wombatmail // Chicago > Deliverability: https://spamresource.com > <https://urldefense.com/v3/__https:/spamresource.com__;!!CQl3mcHX2A!XF25OLva-Ih77MhIuEK7cs4xHphSzQOYD2a2I7TNSNKYmE4d77DtUYCAr9wO20vhwXbl$> > DNS Tools: https://xnnd.com > <https://urldefense.com/v3/__https:/xnnd.com__;!!CQl3mcHX2A!XF25OLva-Ih77MhIuEK7cs4xHphSzQOYD2a2I7TNSNKYmE4d77DtUYCAr9wO2wEDljQc$>_______________________________________________ > mailop mailing list > [email protected] > https://list.mailop.org/listinfo/mailop
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