[mailop] Tiscali / Talktalk Content deferred (TT991)

Afternoon, Any Talktalk / Tiscali admins about or recommendations for contacting? We're seeing lots of deferred, ( TT991 ) messages when trying to deliver email. ~50% goes straight through and the other 50% is taking 12-24 hours to be delivered. Cheers, Duncan

Re: [mailop] Intentionally vague SPF records.

I’ll +1 to Jethro’s comments. NCSC will give you free DMARC reporting. We’ve done as Strathclyde and pushed services out into subdomains. The top level domain is just us and specific suppliers used for official comms. It wasn’t too painful in the end but we spent a lot of time in report only

Re: [mailop] Microsoft SPF failing our email internally against their own servers

t enterprise mail flow will always be complex, which is why they're starting to address some of the forwarding problem scenarios, adding a capability to fix inbound-gateway SPF evaluation, getting on board with ARC, etc. Jesse On 11/8/2018 6:14 AM, Duncan Brannen wrote: > Morning all,

Re: [mailop] Microsoft SPF failing our email internally against their own servers

2018, 5:28 AM Steve Dodd mailto:steved...@gmail.com> wrote: Can't help with this directly, but I've seen similar happen with mail to Facebook, which uses O365.. S. On Thu, 8 Nov 2018 at 12:25, Duncan Brannen mailto:d...@st-andrews.ac.uk>> wrote: Morning all, Does an

[mailop] Microsoft SPF failing our email internally against their own servers

Morning all, Does anyone have any issues delivering to some O365 domains due to Microsoft internally SPF failing inbound email against their own servers? We're seeing the email go through our MXs and be delivered to x.protection.outlook.com, protection.outlook.com then

[mailop] Any Symantec / Messagelabs contacts on list who can sort the MX record you have cached for us.

Hi All, We're having trouble getting email from people who send their email via messagelabs as it would seem messagelabs are using MX records for us that are months out of date. Anyone able to fix / know how to get in touch with them to have this fixed Thanks, Duncan -- The Univ

Re: [mailop] Endless spam blowback from Microsoft Office 365

Hi Graeme, I might have misunderstood your use case but we have a hybrid exchange setup here (Sendmail -> [on premise exchange <-> O365] ) and we turn off spam filtering for mail which has gone through specific onsite mail servers by setting up a rule under mail flow in the Exchange Admi

Re: [mailop] Microsoft SNDS

While I hate to say it, “Me too”  I hadn’t noticed until I saw these messages though so haven’t reported it yet. Cheers,     Duncan From: mailop on behalf of ewald kessler | webpower Date: Friday, 5 May 2017 at 14:49 To: mailop Subject: Re: [mailop] Microsoft SND

Re: [mailop] Microsoft/Hotmail discards mails

Thanks Michael, That’s helpful and at least something I can give to our admissions people. Cheers, Duncan From: Michael Wise Date: Thursday, 9 June 2016 at 14:26 To: Duncan Brannen , "mailop@mailop.org" Subject: RE: [mailop] Microso

Re: [mailop] Microsoft/Hotmail discards mails

Hi, Just to throw our tuppence worth in. We have the same problem. It seems to be noticed when we send out offers of a place of study, a noticeable percentage of the emails are never received despite being accepted by Hotmail / outlook / live.com for delivery. We’re signed up for JMRP /