Re: [mailop] Outlook.com: intermittent DKIM failures

https://www.trustpilot.com/review/postmastery.com Le mer. 18 juin 2025 à 10:19, Benny Pedersen via mailop a écrit : > Yves-Marie LE PORS-CHAUVEL via mailop skrev den 2025-06-18 10:02: > > > _550 5.7.515 Access denied, sending domain DOMAIN.TLD doesn't meet the > > required authenticatio

Re: [mailop] Outlook.com: intermittent DKIM failures

Hi there, Since Monday 11:10am UTC, we see a huge rise of that SMTP answers with Outlook : *550 5.7.515 Access denied, sending domain DOMAIN.TLD doesn't meet the required authentication level. The sender's domain in the 5322.From address doesn't meet the authentication requirements defined for th

Re: [mailop] Cloudmark block

Guillaume, It has nothing to do with Orange, do not reach out to them... They will tell you to reach out to Cloudmark! This is a Cloudmark listing and Orange is rejecting the message because your IP is currently listed... That's exactly the same with Spamhaus, you'll be rejected by Orange if your

Re: [mailop] Proofpoint Mail Blocking

Hi there, I would also be interested in any off-list contact from Proofpoint (yves-marie at postmastery dot net). It seems that one of my customers has classified spam (caused by mlx) since the beginning of July and a definition update causing a false positive. Regards, Yves-Marie -- Postmast

[mailop] Contact from OVH

Hello, Is there any contact from OVH on the list ? Can you reach me private ? Regards, -- Yves-Marie LE PORS-CHAUVEL Email Product Manager *T: +33 2 23 45 57 99* (3043) 3 rue de Paris - Atalis 2 / Batiment D - 35 510 Cesson Sévigné www.ccmbenchmark.com

Re: [mailop] Anyone from Yahoo regarding "lost connection while sending RCPT TO" ?

Subject: Digest Footer > > _______________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > > > -- > > End of mailop Digest, Vol 122, Issue 35 > ***

[mailop] Issue with Yahoo.fr only

r is there anyone from Yahoo who can contact me Off-list ? Regards, -- Yves-Marie LE PORS-CHAUVEL Email Product Manager *T: +33 2 23 45 57 99* (3043) 3 rue de Paris - Atalis 2 / Batiment D - 35 510 Cesson Sévigné www.ccmbenchmark.com ___ mailop mailing l

Re: [mailop] SmartScreen filter does not "regroup" email traffic from different IPs

in FBL > at the end of May 2017, but no changes recently. > > Stefano > > > Alberto > > > > 2017-10-13 14:08 GMT+02:00 Stefano Bagnara : > >> > >> Almost constant FBL levels here in the last days. > >> Do you see a drop in open rates, to

[mailop] Google Postmaster Tools - Authentification accuracy or issue on my side ?

%) without changing anything on my side. If I check on Dmarcian, for Google reports, I have a compliance level of 100%... Does any one have any idea where it should come from ? Regads, -- Yves-Marie LE PORS-CHAUVEL Email Product Manager *T: +33 2 23 45 57 99* (3043) 3 rue de Paris - Atalis 2 / Batim

Re: [mailop] DMARC analysis

zer.com and > dmarcian.com, I'd still prefer privately hosted software. Anything like > that out there in the wild? > > -- > BR, Rok > Hi Rok, Did you have a look to this script : http://www.taugh.com/rddmarc/ ? Regards, -- Yves-Marie LE PORS-CHAUVEL Email Product Manager

[mailop] Does Yahoo deferring mails ?

ay=mx-eu.mail.am0.yahoodns.net[188.125.69.79]:25, delay=0.23, delays=0.08/0/0.13/0.02, dsn=4.3.2, status=deferred (host mx-eu.mail.am0.yahoodns.net[188.125.69.79] said: 451 4.3.2 Internal error reading data (in reply to MAIL FROM command))-- Does any one have the same messages ? Regards, Yves-Marie LE