[ZendTo] A head's up about the mailing list

Stewart Campbell Stewart.Campbell at pulsion.co.uk
Fri Nov 11 11:44:32 GMT 2016

The failing for the ‘on behalf of’ issue is actually DKIM – I checked that earlier. Then because there was no SPF record for zend.to and DKIM failed, DMARC quarantined the mail.

Now you have set the SPF for zend.to, SPF should pass and DKIM will still fail, but this will mean that DMARC will pass. Everything should be ok now. Assuming the DNS change has propagated then this email should no longer be quarantined.

From: zendto-bounces at zend.to [mailto:zendto-bounces at zend.to] On Behalf Of Jules
Sent: 11 November 2016 11:25
To: ZendTo Users <zendto at zend.to>
Subject: Re: [ZendTo] A head's up about the mailing list

I've just added an SPF record for the domain.
Any thoughts on fixing the "on behalf of" issue?

On 11/11/2016 09:16, Stewart Campbell wrote:
I sent an email regarding this a while ago. Domains that have SPF/DKIM/DMARC set up will have problems even sending mail to this list as it sends all list emails ‘on behalf of’ the sender. My domain does not have this list in its SPF record so it will fail.

From: zendto-bounces at zend.to<mailto:zendto-bounces at zend.to> [mailto:zendto-bounces at zend.to] On Behalf Of Mike Brudenell
Sent: 11 November 2016 09:08
To: ZendTo Users <zendto at zend.to><mailto:zendto at zend.to>
Subject: [ZendTo] A head's up about the mailing list

Just a head's up to the person/people who run the mailing list…

For the past few months Google are now flagging all messages form the list with a a red "this message is a little suspicious" question mark indicator because there's no valid SPF or DKIM for it.

It needs one or both of:

  *   an SPF record setting up for the "zend.to<http://zend.to>" domain that authorises the mail servers transmitting the list's messages to do so, and/or
  *   DKIM signatures being added to the messages, ideally with "d=zend.to<http://zend.to>" as the attribute in the signature.
Adding either or both of these should eliminate the warnings.

Mike B-)

Systems Administrator & Change Manager
IT Services, University of York, Heslington, York YO10 5DD, UK
Tel: +44-(0)1904-323811

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