Has he sent an email to your gmail account so that you are sure you have his 
right email address. I realise you’ve had success using a different send 
account, but not knowing all the details, I’m just wondering

Can you get someone else you know with a gmail account to send him a message

Sent from Tim's iPhone

> On 2 Mar 2018, at 8:55 am, Rob Phillips <[email protected]> wrote:
> 
> Initially, they were group emails sent through Mailman (and I checked the 
> settings). Once it was clear that this failed, we tried a direct, 
> person-to-person email, and this also failed.
> 
> I don't think I've BCCed him at all.
> 
> Thinking about it, the person with the admin rights to the Mailman account is 
> no longer with the organisation, so I haven't seen any bounce messages from 
> Mailman. These might give a clue as to the problem.
> 
> Any bright ideas?
> Rob
> 
>> On 2/3/18 5:45 am, Ronda Brown wrote:
>> Hi Rob,
>> 
>> Are these group emails... bcc‘d? Or emails sent to only one recipient?
>> 
>>  Ronni Brown’s iPad Pro 12.9-inch 256GB
>> 
>> 
>>> On 1 Mar 2018, at 10:25 pm, Rob Phillips <[email protected]> wrote:
>>> 
>>> Greetings
>>> 
>>> This is a quite obscure problem, and not directly related to Macs. I'll 
>>> understand if there is no response... :-)
>>> 
>>> I have a gmail email account, which works fine (for most people). There is 
>>> one person (a Windows user) who never receives my Gmail emails. Everybody 
>>> else does!
>>> 
>>> I have told him repeatedly that the problem must be at his end. He has made 
>>> sure that this email address isn't in his junk or blocked list.
>>> 
>>> He says that he has reviewed all the email security settings on his 
>>> computer.
>>> 
>>>> Re emails - your iinet ones are getting through to me; it's the gmails 
>>>> that don't even though it's on my safer senders list and not on the 
>>>> blocked one. Can't seem to get around this one but have changed the last 
>>>> possible security setting.
>>> I'm just wondering if there's some setting on Gmail which might restrict my 
>>> messages going to him.
>>> 
>>> If nobody knows, which is a good forum to ask?
>>> 
>>> Cheers
>>> 
>>> Rob
>>> 
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