[mailop] DKIM temperror from Microsoft on SFMC delegated domains

Dear Mailop, I am seeing an unusual amount of DKIM "temperror" reports from Microsoft for these two domains (only): preventivo.6sicuro.it news.6sicuro.it The sources of this information are: * Headers of emails received at Hotmail.com with temperror as DKIM Authentication results * DMA

[mailop] t-online.hu contact?

Hi Here is Marco from ESP Contactlab. t-online.hu is blocking our emails. It's small traffic, but it's very problematic because there are transactional messages too. Is anybody in the list from t-online.hu who might help? I've tried abuse@ and postmaster@ but had no responses. Kind regards

Re: [mailop] deactivation of hard bounces

. Maarten Postmastery On Wed, 27 Feb 2019 at 17:27, Marco Franceschetti via mailop mailto:mailop@mailop.org>> wrote: Hello, We at contactlab are considering a change in the deactivation of hard bounces. Currently, we suppress not existing mailboxes at the first hit. We are aware of a

Re: [mailop] deactivation of hard bounces

rcoledì 27 febbraio 2019 18:27 To: Marco Franceschetti via mailop Subject: Re: [mailop] deactivation of hard bounces On 27 Feb 2019, at 11:16, Marco Franceschetti via mailop wrote: > Hello, > > We at contactlab are considering a change in the deactivation of hard > bounces. > Currently,

[mailop] deactivation of hard bounces

Hello, We at contactlab are considering a change in the deactivation of hard bounces. Currently, we suppress not existing mailboxes at the first hit. We are aware of a small percentage of false positives. Recent admissions criteria for Certified Senders states: "The CSA sender must take emai

Re: [mailop] Spamcop IP blacklisted

the last days. Regards From: Laura Atkins Sent: venerdì 16 novembre 2018 12:04 To: Marco Franceschetti Cc: feder...@aruba.it; mailop@mailop.org Subject: Re: [mailop] Spamcop IP blacklisted On 16 Nov 2018, at 10:33, Marco Franceschetti via mailop mailto:mailop@mailop.org>> wrote: Hi

Re: [mailop] Spamcop IP blacklisted

Hi Same situation here at Contactlab (Italy). Our hypothesis is that Spamcop has activated a few obsolete domains (typos, repurposed domains) as traps from one day to the other, or radically and suddenly changed the threshold - therefore, a few brand/senders with not brilliant list hygiene prac

[mailop] Anyone from Onet Poczta on this list?

Hello, I am looking for a contact person at Onet Poczta for mitigation request on Op.pl Poczta.onet.pl Vp.pl Onet.pl Etc. I am having difficulties in finding a contact form for online request. Thanks Marco Franceschetti Head of Deliverability | ContactLab M. +39 331 1717 978 | T. +39 02283

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

Hi Thank you all for having taken the time to share your experience and knowledge. Your comments helped me to focus on the deeper context, rather than on the most apparent layer. I exclude there has been a change in the list management, as it has been very competently suggested, but there are d

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

Hi I am writing from ContactLab's Deliverability Team. One of our client has introduced multivariate testing on subject lines in the last 3 months. Gmail's inbox is since then more and more difficult to reach. I am not aware of all the methodological details... The multivariate tests are per