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problems with email to gmail addresses bouncing back

outinthesticks
Grafter
Posts: 72
Thanks: 6
Registered: ‎15-01-2008

problems with email to gmail addresses bouncing back

Everytime I email someone with a gmail address I get this message (I've deleted the recipient's email address):
 
"This is an automatically generated Delivery Status Notification.      
 
Delivery to the following recipients failed permanently:
(name of person's gmail address)
 
Reason: A message that you sent to the following recipient could not be delivered due to a permanent error. ** The remote server ?? responded with: ** (name of gmail address)??:?? This message was created automatically by mail delivery software on the server .
 
Reporting-MTA: dns; avasout-peh-002 [212.159.14.18]
Received-From-MTA: dns; [192.168.1.64] [87.115.153.9]
Arrival-Date: Tue, 27 Jun 2023 08:53:32 +0100
 
 
Final-recipient: rfc822; (gmail address)
Diagnostic-Code: smtp; 550-5.7.26 This mail is unauthenticated, which poses a security risk to the"
 
Any ideas? Have checked all of the settings my end. Also its happening irrespective of what device I use. Thanks in advance.

 

6 REPLIES 6
dvorak
Moderator
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Re: problems with email to gmail addresses bouncing back


Moderators Note


This topic has been moved from Broadband to Email

Customer / Moderator
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If it fixed it click 'This fixed my problem'
MisterW
Superuser
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Posts: 16,129
Thanks: 6,132
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Registered: ‎30-07-2007

Re: problems with email to gmail addresses bouncing back

@outinthesticks have a read through this thread https://community.plus.net/t5/Email/Replies-to-Gmail-accounts-being-rejected/m-p/1914789#M42617 and then post back with questions

Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.

outinthesticks
Grafter
Posts: 72
Thanks: 6
Registered: ‎15-01-2008

Re: problems with email to gmail addresses bouncing back

Thanks, read through the thread you posted but got lost after the second screen. I'm not sure where I find where connection security and SMTP settings are - I attach a screenshot of the settings on my IMac. 

MisterW
Superuser
Superuser
Posts: 16,129
Thanks: 6,132
Fixes: 442
Registered: ‎30-07-2007

Re: problems with email to gmail addresses bouncing back

Its nothing to do with security settings on your email client, its the lack of SPF or DKIM on the domain you use for your email.

Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.

outinthesticks
Grafter
Posts: 72
Thanks: 6
Registered: ‎15-01-2008

Re: problems with email to gmail addresses bouncing back

Thanks. I've tried to add an SPF record so will wait and see if that has worked. In an earlier thread someone said "also you should change your SMTP connection security to STARTTLS and use port 587" hence my query, but I'll wait now and see if the SPF record does the trick. Thanks for your help.

 

Townman
Superuser
Superuser
Posts: 23,720
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Registered: ‎22-08-2007

Re: problems with email to gmail addresses bouncing back

Can we clarify the context here please - what email address / account are you SENDING from...

  • A Plusnet email account or a legacy brand (MAAF) email account
  • you@youraccount.plus.com
  • you@yourdomain.co.uk which is hosted by Plusnet (or MAAF)
  • you@yourdomain.co.uk which is hosted elsewhere which forwards  mail to your Plusnet (or MAAF) mailbox

As for those server settings shown in the screen shot...

  1. SMTP should use Port 587
  2. iMAC does not show STARTTLS but will work it out if you tick "Use SSL"
  3. Under Options... I expect that there will be authentication setting details - these need to be the same as those for the  inbox

In passing POP3 inbound ought to be encrypted, on Port 995 with SSL

Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.