Re: [mailop] Gmail - Anybody out there from Gmail, willing to assist with strange reputation issue

On Wed, Aug 29, 2018 at 6:13 PM Michael Rathbun wrote: > > What's satisfying is that Harris Polls (now part of Nielsen), one of the > earliest villains in the narrative, is now a client of mine, with > subscription > policies so restrictive that I wasn't able manually to subscribe a seed >

Re: [mailop] QQ Postmaster

On Mon, Jul 16, 2018 at 2:43 PM, Udeme Ukutt wrote: > Please can a QQ (China) postmaster (or someone that knows one) contact me > off-list? Thanks. > > I'd be curious to know if you are successful. My recollection is they just don't care if you are outside of China.

Re: [mailop] verizon.com Postmaster

On Wed, May 9, 2018 at 7:03 AM, wrote: > > dcsactrans2.verizon.com > > The hostname is invalid. > I'm curious what your FP rate is on this strict checking of the HELO host name. I don't believe any of the major inbox providers do it, which should be a clue it is not very

Re: [mailop] No MX records for mail.mil

On Thu, May 3, 2018 at 10:33 AM, Frank Bulk wrote: > This doesn’t look so good, though: > > http://dnsviz.net/d/mail.mil/dnssec/ > > > > > Yes, that looks bad :( I have to learn more how to query/interpret my dns server's DNSSEC output, or make it more strict.

Re: [mailop] No MX records for mail.mil

My own office resolver running unbound has DNSSEC enabled with strict checking, and the response I get shows it is authenticated data: the "ad" flag is on. Based on that, DNSSEC is working for them as far as my understanding goes. My first guess was also it would be a DNSSEC issue. ; <<>> DiG

Re: [mailop] Microsoft IPs automatically unsubscribing recipients?

On Thu, Mar 1, 2018 at 6:26 PM, David Carriger < david.carri...@infusionsoft.com> wrote: > Yes, I'm still seeing this. So, an open question: > > As an ESP, how am I supposed to tell my users to practice good list > hygiene and remove unengaged recipients from their lists when my data is > being

Re: [mailop] GSuites looking too closely at first-hop Received: headers?

On Tue, Feb 27, 2018 at 1:43 AM, Philip Paeps wrote: > Of course relays do get compromised from time to time, so peeking at the > first hop is not a completely crazy thing for GSuites to do. But silently > dropping the email after accepting feels a little disproportionate.

Re: [mailop] Mail Transfer Agent Alternatives

On Mon, Feb 5, 2018 at 2:23 AM, Emre Üst |euro.message| < emre@euromsg.com> wrote: > Hello everyone , > > We are using Powermta(Port25) but their support service fee is rediciously > high . We are looking for new mta . Could anyone recommend to Port25 > altenatives ? > > Just before we got

Re: [mailop] Earthlink trouble with our PTR

On Thu, Dec 14, 2017 at 9:27 AM, Ryan Prihoda wrote: > > What about SPF, DMARC, DKIM ? I am sending 250k/day and only Earthlink > seems to care. How many checks are actually necessary ? > > You should look to implement SPF and DKIM for sure. As for only earthlink

Re: [mailop] lost connection with amazon-smtp.amazon.com

On Mon, Aug 7, 2017 at 4:24 PM, Doug Barton wrote: > "lost connection with amazon-smtp.amazon.com [some_IP_address] while > receiving the initial server greeting" > My first thought is some sort of timeout, or possibly a firewall rule breaking the connection. Or maybe

Re: [mailop] self-signed cert for inbound TLS

I've not had any issues with self signed certs with TLS on SMTP. That said, lately I've been using Lets Encrypt certificates with the certbot program to manage them, and that has worked really well. The initial setup takes a little effort to do a DNS based verification since the mail hosts are not

Re: [mailop] Yahoo! CFL Sign-up Difficulty

On Tue, Jun 20, 2017 at 4:16 PM, David Landers < david.land...@livingsocial.com> wrote: > I am attempting to change the reporting email address for the Yahoo! Complaint > Feedback Loop (CFL) service, and submitting the new information via either > an "Add" or "Update" request does not seem to be

Re: [mailop] SNDS in Red after List Clean up

On Thu, Jun 8, 2017 at 9:03 AM, Chris Truitt wrote: > My question to you is what can be done to essentially educate Smart Screen > that our content, though containing medical jargon is acceptable to the end > user and to place it into the inbox, and how many days of clean

Re: [mailop] dkim signature failures sendmail/opendkim

On Fri, May 26, 2017 at 11:00 AM, Carl Byington wrote: > Any ideas for debugging this? > Do your messages have non-ascii in them? If so, be sure to QP encode them, otherwise some intermediate transit relays may muck up the signatures by rewriting them.

Re: [mailop] International Fix-Your-SPF day

On Tue, May 16, 2017 at 12:11 PM, D'Arcy Cain wrote: > Heck, we may not even need to do it. Enough coverage and the threat may > get a bunch of them fixed anyway. > hahahaha. you are very optimistic. ___ mailop mailing list

Re: [mailop] help with yahoo fbl

On Tue, May 2, 2017 at 11:37 AM, Peer Heinlein < p.heinl...@heinlein-support.de> wrote: > I never received any feedbacks or complaints from Yahoo. I requested a > FBL loop several times during the last few month. > My FBL still works, just goes to an address I'd like to retire. It was set up so

[mailop] help with yahoo fbl

Off and on for the last two years or so, I've been trying to get my FBL with yahoo updated to a new reporting address. It is becoming more urgent now as we are changing the mail service which is currently just forwarding the old reporting address internally. At first I worked directly with

Re: [mailop] QQ form submission question

My experience with qq in any way shape or form trying to contact their postmaster is black hole. But I haven't tried in at least a year. ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

Re: [mailop] conventional wisdom, was Google rejects a TLS connection

On Thu, Mar 16, 2017 at 8:38 PM, John Levine wrote: > So just out of nosiness, when's the last time Something Bad Happened > in real life due to sending credit card info by e-mail? > One of my buddies does design and consulting of networks for industries regulated by federal

Re: [mailop] Anyone from Proofpoint on the list?

On Fri, Feb 24, 2017 at 11:57 AM, Laura Atkins wrote: > Most mail-type folks (including the ProofPoint postmaster) were at a > conference this week. Try mailing postmaster, they’re responsive to that > mail. > I've rarely gotten response from Proofpoint, but usually the

Re: [mailop] Are there any TimeWarner (rr.com) people on list?

On Tue, Jan 31, 2017 at 10:32 PM, Mark Dale wrote: > Hi, > > We're suddenly seeing a ton of NDRs for "Too many concurrent > connections" when discussion-lists try to send email to "rr.com" > addresses. Our MTA limit is for 2 concurrent connections. > > I sat on a panel

Re: [mailop] AOL Service unavailable on connect

On Mon, Jan 23, 2017 at 10:29 AM, Derek Diget wrote: > Anyone else seeing connection issues to AOL? Saturday morning (EST) we > started getting > > 421 mtaig-maa03.mx.aol.com Service unavailable - try again later > > on the initial connection where the

Re: [mailop] Google SPF checking intermediate server

On Tue, Jan 10, 2017 at 1:17 PM, Brandon Long wrote: > Also, if your mail flow MX to google goes through multiple IPS, you should > list them all as internal gateways. > Does it make sense to just remove my private relay server from the list of gateways? It never receives and

[mailop] Google SPF checking intermediate server

I have mail that comes from our in-house Jira which goes from the Jira instance on 192.168.7.25 to a local postfix instance. This instance forwards all mail to a public facing postfix using a public IP provided by the firewall via NAT, 74.92.149.60, which ultimately delivers the mail to gmail. The

Re: [mailop] SORBS help

On Sat, Jan 7, 2017 at 7:04 PM, Michelle Sullivan wrote: > Therefore, I'm not even going to discuss the issue of 'problem solved >> within minutes' issue at this point as you will note the above covers where >> this is likely to be true, as apposed to those (who we get on a

Re: [mailop] SORBS help

On Fri, Jan 6, 2017 at 9:01 PM, Noel Butler wrote: > People go away, businesses shutdown over weekends etc, so you need time > for them to find out they have a problem and resolve it. > > That makes sense if you get no response from the affected sender. However, if they

Re: [mailop] SORBS help

On Thu, Jan 5, 2017 at 7:07 PM, Michelle Sullivan wrote: > So taking your blatant attack literally which I was under the impression > was against list policy, lets instead attempt to be constructive and have a > clam discussion... "SORBS does not seem interested in solving

Re: [mailop] SORBS help

On Tue, Jan 3, 2017 at 8:13 PM, Bryan Vest wrote: > If someone from SORBS could contact me off list or on list I don't care, > either way we need to get this block removed. > How much trouble is it causing you? I find it doesn't cause all that much trouble in terms of mail

Re: [mailop] Spamcop: 'this is not spam' feedback form broken?

On Mon, Jan 2, 2017 at 5:36 AM, Benoit Panizzon wrote: > 1: Mark those submissions to spamcop to be not spam, to prevent spamcop >blocking the ip used to submit those reports. > 2: Send a note to the reporter to get in contact with us to clear the >issue, maybe

Re: [mailop] GMail Reputation

On Tue, Dec 20, 2016 at 11:57 AM, Paul Witting wrote: > Is this the tag you are referring to, if so, what are the other tags? https://support.google.com/mail/answer/6254652?hl=en That's the feedback loop. It is based on tags provided in a "Feedback-ID" header, which

Re: [mailop] GMail Reputation

On Mon, Dec 19, 2016 at 1:27 PM, Paul Witting wrote: > Since discovering the issue we’ve been going over our system with a fine > toothed comb, We generally have SPF and DKIM deployed, and based on Google’s > recommendations, DMARC, as well as updating mail headers to

Re: [mailop] Multivariate Subject testing influences Gmail's filters?

On Tue, Dec 13, 2016 at 7:26 AM, Marco Franceschetti via mailop < mailop@mailop.org> wrote: > Or, could the new style approach be to blame? > Seems like your client should test the same subject line with and without emoji and find out. We have not studied yet the effect emoji in subject lines

Re: [mailop] Mysterious DKIM failure.

On Mon, Dec 12, 2016 at 3:23 PM, Steve Atkins wrote: >o Use quoted-printable for all body text > This one bit me pretty well with AOL a few years ago -- rewriting of 8-bit to 7-bit. The only solution was to QP encode everything.

Re: [mailop] Yahoo blacklist removal

On Wed, Nov 16, 2016 at 3:53 PM, David Sgro, Dataspindle wrote: > - A company called ProofPoint had my block along with several other > neighboring /20's listed due to a SPAM incident that happened in 2013. Spoke > to them. Very nice people. They understood and cleared it

Re: [mailop] Listbomb issue

On Wed, Oct 19, 2016 at 3:35 PM, Brett Schenker wrote: > We're currently looking to implement a combination of preventions with the > leading idea being: > honeypot on sign up pages + IP intelligence + email address intelligence + > coi > > The idea being the honeypot will

Re: [mailop] Dealing with a DKIM replay attack and yahoo's use of DKIM domains for FBL reports

On Fri, Aug 12, 2016 at 7:12 PM, Tim Starr wrote: > The only benefit I can see from sending the exact same message from > somewhere else would be to drive recipients to the same payload link, which > suggests another possible way to stop this from paying off after detection:

Re: [mailop] Dealing with a DKIM replay attack and yahoo's use of DKIM domains for FBL reports

On Fri, Aug 12, 2016 at 12:34 PM, Steve Atkins wrote: > You're vouching for / accepting responsibility for every mail you sign. > If your users are bad actors - as they are in this case - you're accepting > responsibility for that. So if I took any random message that I came

Re: [mailop] Spamcop blows a fuse.

On Tue, Aug 2, 2016 at 7:22 PM, Michael Rathbun wrote: > This server sends a spam feed to Spamcop (it's Nadine, in fact). > > So, of course, the IP is now listed on Spamcop. No good deed... ___ mailop mailing list mailop@mailop.org

Re: [mailop] automated looking mailchimp opt-ins (confused by)

On Thu, Jun 30, 2016 at 12:04 PM, Michael Wise via mailop wrote: > They're BURYING the target in thousands of confirmation requests. > In some cases we're seeing the recipient address repeatedly submitted, and it is known to not exist, ie we get a DNE bounce.

Re: [mailop] automated looking mailchimp opt-ins (confused by)

On Wed, Jun 29, 2016 at 9:46 PM, Mark Jeftovic wrote: > I look at the complaint data, it's all weird looking signups, this time > all from: > > aol.com > > > netscape.net > > > verizon.net > > > > and the "First Name Field" in all of them are like this: > > 5773fb91d07ad > >

Re: [mailop] looking for contact at / info about comcast fbl

On Wed, Jun 29, 2016 at 12:50 PM, Miles Fidelman wrote: > Is there anybody here from Comcast mail operations who can provide some > guidance as to how to identify the originator of an abuse report, so I can > remove them from the list(s)? > If you VERP the SMTP

Re: [mailop] "One-Click" List-Unsubscribe URIs

On Fri, Jun 10, 2016 at 2:18 PM, Laura Atkins wrote: > You demonstrated the need for a flag day when you stated that the ESPs > need to give the ISPs “a hint” that things are changing. Expecting every > ESP to contact every ISP is ridiculous. > I don't have to contact

Re: [mailop] "One-Click" List-Unsubscribe URIs

On Fri, Jun 10, 2016 at 12:17 PM, Laura Atkins wrote: > The beauty of the proposal is that you can with some cooperation of the > mail user agent convert the two-click unsub into a one-click. > > > And the failure of this proposal is that it requires the MUA to change >

Re: [mailop] "One-Click" List-Unsubscribe URIs

On Fri, Jun 10, 2016 at 11:23 AM, Laura Atkins wrote: > Also in this case, there is a significant chance that the proposal will > result in sub-optimal or harmful results. It is a fact that there are > appliances and filters out there that follow every link in an email.

Re: [mailop] signup form abuse

On Fri, May 27, 2016 at 1:57 PM, Michael Peddemors wrote: > Putting your business card in a bowl to win a prize is definitely not > giving permission to get on a mailing list ;) > I for one pretty much expect that I'll be put on a list. I'm sure a lot of other folk do,

Re: [mailop] Excluding Message-ID from DKIM Signature

On Fri, May 27, 2016 at 11:26 AM, Joel Beckham wrote: > Thanks, Vick. I'm curious, what initially lead you to exclude the > message-id from your signature? > We sign in our application, and let the MTA throw in the Message-ID. Always did it that way. I also let the MTA insert

Re: [mailop] signup form abuse

On Wed, May 25, 2016 at 6:04 PM, Al Iverson wrote: > I've heard John Levine propose the "hidden link to catch scanning > robots" solution but I've never heard of an email system implementing > I'm running through my head how that would work, and makes for some very

Re: [mailop] signup form abuse

| "Your Spam Specimen Has > Been Processed." | Got the Junk Mail Reporting Tool > <http://www.microsoft.com/en-us/download/details.aspx?id=18275> ? > > > > *From:* mailop [mailto:mailop-boun...@mailop.org] *On Behalf Of *Vick > Khera > *Sent:* Wednesday, May 25,

Re: [mailop] signup form abuse

On Wed, May 25, 2016 at 3:02 PM, Erwin Harte wrote: > I did a spot check of a recent attack. The email address was > jabradb...@kanawhascales.com and it got signed up to 12 lists during May > 17 and 18. Amazingly, whoever is on the other end of that address clicked > to

Re: [mailop] signup form abuse

On Tue, May 24, 2016 at 2:18 PM, Michael Wise wrote: > Are these IP addresses on CBL? > I did a spot check of a recent attack. The email address was jabradb...@kanawhascales.com and it got signed up to 12 lists during May 17 and 18. Amazingly, whoever is on the other

Re: [mailop] signup form abuse

On Wed, May 25, 2016 at 10:45 AM, Matthew Black wrote: > Are your customers using confirmed opt-in mailing lists? If not, they > should not be running mailing lists. > > Yes, the only effect is to send a confirmation message, which is quite generic and at most contains

[mailop] signup form abuse

As an ESP, we host mailing list signup forms for many customers. Of late, it appears they have been getting pounded on with fraudulent signups for real addresses. Sometimes the people confirm by clicking the confirmation link in the message and we are left scratching our heads as to why they would

Re: [mailop] Outgoing TLS

On Thu, May 12, 2016 at 4:52 PM, Jeffry Dwight wrote: > I can't figure out how to tell the > difference between a "real" untrusted root and a cert issued by some > admin's > personal CA. > Because there is none. ___ mailop

Re: [mailop] Outgoing TLS

On Thu, May 12, 2016 at 1:24 PM, Jeffry Dwight wrote: > So, what do you all do? Right now, I'm verifying the cert and its chain, > but > ignoring CN mismatches. That seems to be fine for ensuring encryption, but > rather defeats the purpose of knowing we're connecting

Re: [mailop] Yahoo Mail Servers having new issues?

On Tue, May 10, 2016 at 10:11 AM, Vladimir Dubrovin via mailop < mailop@mailop.org> wrote: > We observe this behavior periodically and it seems the number of lost > connections still grows. > > < *@yahoo.com > > >: delivery temporarily suspended: lost connection > with >

[mailop] Truncate DNSBL

My monitoring service just notified me that an IP from my shared general outbound pool is listed on the Truncate DNSBL. This is really the first I've heard of this list. From what I read on their web pages, they claim that an IP is only listed if > 95% of the mail they detect is spam. I personally

Re: [mailop] Yahoo DMARC changes

orkaround, at least as discussed at sessions at M3AAWG. > > It's likely that ARC will become the new - much better - workaround > eventually, modulo the inevitable deployment issues. http://arc-spec.org > > Cheers, > Steve > > > > > Frank > > > > From: ma

Re: [mailop] Yahoo DMARC changes

ustomers are accessing your service via an API. > > On Tue, Mar 22, 2016 at 7:54 PM, Vick Khera <vi...@khera.org> wrote: > >> >> On Tue, Mar 22, 2016 at 7:52 PM, Steve Atkins <st...@blighty.com> wrote: >> >>> So if you've been doing anything speci

Re: [mailop] Email issue with Synacor?

On Wed, Mar 16, 2016 at 1:23 PM, Frank Bulk wrote: > Anyone else seeing the same? > Yes, for some of it. It looks like more is going through than not going through. ___ mailop mailing list mailop@mailop.org

Re: [mailop] Google DNS Servers not returning results for Hotmail today?

On Mon, Mar 7, 2016 at 6:00 PM, Carl Byington wrote: > Yes, arin.net > > failed to renew the dnssec signatures on 65.in-addr.arpa. > They have expired, and anyone behind a dnssec enforcing resolver can no > longer see ptr records in that tree. > Looks to be corrected now.