[mailop] Anyone from dir.bg in the list?

2020-09-03 Thread Jose Ramon Garcia Layos via mailop
Hi All, Is there anyone from dir.bg available we could talk offline with? We have tried reaching out through different channels but got no response. We do see connections being dropped for some IPs without no apparent reason and wanted to see how we could fix this. Thanks! José Ramón

[mailop] Symantec contact

2020-09-03 Thread Antonie Popovic via mailop
Hello, Do we have anyone from Symantec here or a contact who could investigate a false positive spam classification ? I'm hoping to find someone from the right team because I didn't get any feedback following their official submission procedure. Much appreciated, Toni

[mailop] MTA Server IP "Warm Up" Reputation Recommended Best Practices

2020-09-03 Thread L. Mark Stone via mailop
Looking for current MTA IP "warm up" best practices please... We are a niche email hosting company for commercial/regulated corporate entities with a strong anti-bulk-mail-sending AUP. Our existing MTA IPs have very positive reputations. All (but one) of our customers sign email with DKIM, and

Re: [mailop] MTA Server IP "Warm Up" Reputation Recommended Best Practices

2020-09-03 Thread Michael Rathbun via mailop
On Thu, 3 Sep 2020 13:07:35 + (UTC), "L. Mark Stone via mailop" wrote: >So, asking what you all would recommend we do with this IP, and how best we >should warm up a new IP in future to avoid finding ourselves in this same >situation again. [Just my opinion based on experienc] An IP that

Re: [mailop] MTA Server IP "Warm Up" Reputation Recommended Best Practices

2020-09-03 Thread Laura Atkins via mailop
> On 3 Sep 2020, at 14:07, L. Mark Stone via mailop wrote: > > Looking for current MTA IP "warm up" best practices please... > > We are a niche email hosting company for commercial/regulated corporate > entities with a strong anti-bulk-mail-sending AUP. Our existing MTA IPs have > very posi

Re: [mailop] Gmail IMAP xyzzy ?

2020-09-03 Thread Jethro R Binks via mailop
Wow! Now that is bizarre! J. On Mon, 3 Aug 2020, Brandon Long via mailop wrote: > By a complete coincidence, Don Woods worked on Gmail related stuff after we > acquired Postini... but didn't add this code. > > Brandon > > On Sun, Aug 2, 2020 at 3:45 PM John Levine via mailop > wrote: > > >

[mailop] Weekly Update, from the Spam Auditing team..

2020-09-03 Thread Michael Peddemors via mailop
It's been a while since I did one of these, planning on having the team members prepare these and start posting the bi-weekly updates. This week, has seen an overall increase of spam from many sources, and of course phishing attempts in general are a large part of it. Emotet is leading the wa

Re: [mailop] MTA Server IP "Warm Up" Reputation Recommended Best Practices

2020-09-03 Thread Chris via mailop
On 2020-09-03 10:41, Laura Atkins via mailop wrote: What “other block lists” are you on? Knowing that may help identify what you did wrong. It’s unusual for IPs to be blocked outright after 3 days of mail. What were you sending and to whom were you sending it? Who owns the IP? Where is it rout

Re: [mailop] MTA Server IP "Warm Up" Reputation Recommended Best Practices

2020-09-03 Thread L. Mark Stone via mailop
Thanks Laura and Chris for your replies, and sorry if I wasn't as precise in my language as perhaps I should have been. I've been in the email business since 2005 and have been impressed with the general high experience level of the posters on this list. I didn't think I needed to be as specific

Re: [mailop] MTA Server IP "Warm Up" Reputation Recommended Best Practices

2020-09-03 Thread Dave Smith via mailop
"We have other IPs we can use if needed, so again, I am less concerned about improving this IP's reputation than I am with not repeating this outcome." This in itself is a troubling statement. Gaming the system by opening up "a raft of accounts" is as well. Ownership of your traffic and a clear

Re: [mailop] MTA Server IP "Warm Up" Reputation Recommended Best Practices

2020-09-03 Thread Dave Holmes via mailop
Hi Mark, I think you are encountering the current state of play when sending to the big email providers from new IP addresses. Microsoft in particular seems to throw you on the bad list straight away, but from the server responses you can see this and request de-lists. This is a bit like grey-lis

Re: [mailop] MTA Server IP "Warm Up" Reputation Recommended Best Practices

2020-09-03 Thread Luis E. Muñoz via mailop
On 3 Sep 2020, at 12:02, L. Mark Stone via mailop wrote: If anyone has a better process for warming up sending MTA IPs, I would be grateful. This has been in use for a few years with great success. Numbers will need adjustment to your specific case. https://esmtp.email/blog/warming-up-you

Re: [mailop] MTA Server IP "Warm Up" Reputation Recommended Best Practices

2020-09-03 Thread Ken O'Driscoll via mailop
I have a client in the same niche corporate/commercial non-bulk space and the exact process they use to "warm up" new IPs is to introduce them into their existing mail flow along with the existing seasoned outbound IPs. They don't have any "cold" IP space, every IP (even the ones reserved for r