Email issue

[#1]

When using Apple Mail I am unable to send emails from my plus address using mobile data - I Sending them when wifi is on no problem. Any I try to send are sent to my outbox until wi-fi back on. Plus net staff have been very helpful but still stuck with the problem. (Emails sent via other clients (eg Yahoo) go fine so must be an apple mail problem but whaT?

[#2]

If you have your PN mail as an account on Apple Mail, it will not send on mobile data, or any non-Plusnet connection unless it is authenticated. You need to set that up whilst on your home connection. Do you use a desktop/laptop at home, and what email program do you use?

[#3]

You need to ensure that your outgoing server settings ( relay.plus.net) are set use use authentication with your plusnet accountname and password.

To explain, why you are on wifi,  you're connecting from a Plusnet IP address and so authentication is not needed (but can be used). When on mobile data its not a PLsunet IP address and so you MUST authenticate with the server.

[#4]

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@MisterW wrote:

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To explain, why you are on wifi,  you're connecting from a Plusnet IP address and so authentication is not needed (but can be used). When on mobile data its not a PLsunet IP address and so you MUST authenticate with the server.

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The same applies if you are using Wi-Fi provided by an ISP other than Plusnet, for instance in a coffee shop, or at a friends house where they are e.g. Virgin customers.

[#5]

I use Apple Mail. I have located settings inMail on my iMac desktop but not sure how to authenticate as you recommend! 

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[#6]

That - you having an iMac - is a slight problem, as I have zero knowledge of those machines. I wonder if  @MisterW  has any ideas?

[#7]

@JBL Does this information - obtained by Googling - help? https://support.apple.com/en-gb/guide/mail/mlhlp1106/mac

[#8]

as I have zero knowledge of those machines

Likewise I'm afraid.

Mail client usually have options in the outgoing server settings like ' use authentication for this server' , selecting that allows you to input a username & password. Thes should be set to your Plusnet accountname and the password you use to login to the member centre. There will likely be other settings for encryption etc and we probably need someone with more familiarity of Apple mail

[#9]

No problem, @MisterW - By using a little common sense, with the assistance of a search engine, I think I may have pointed the OP to the required information. 😉

[#10]

Moderators Note

This topic has been moved from Broadband to Email

[#11]

@JBL if you've still got problems , does your email settings look anything like this example https://support.rebel.com/hc/en-us/articles/10211536544411-How-to-update-the-email-server-settings-o...

NB your host name will of course be relay.plus.net

[#12]

Many thanks. Settings are all OK. gather I need to authenticate with the server. That;s where I am stuck!

[#13]

@JBL Have you clicked the link in post #7 - that is the official Apple instructions?

[#14]

gather I need to authenticate with the server. That;s where I am stuck!

@JBL follow @jab1 s post , to authenticate you need to fill in the outgoing server username & password fields with your PLusnet accountname & password

[#15]

Thanks for this. I have already done this but the problem remains. When on mobile data, I cannot send emails successfully.successfully,   Message says 'Cannot send email - The server rejected one of the of the repents addresses. Message in the Outbox"

Once I go back to wi-fi - hey presto, the message gets delivered!

If I send ab email using my gmail address when offline, no problem!