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cuz
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Mail delivery system

Been having problems lately with mail delivery failed return to sender emails in my inbox for emails I know I haven't sent, the emails that are supposedly sent are always emails that I have just received (I hope that makes sense).

I've done all the usual stuff change password and security question scanned all my devices but to no avail. Any ideas anyone? 

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Message 2 of 16
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Re: Mail delivery system

Follow the advice here Compromised Email Account advice; point 3. Check your Auto Forward settings will likely address the issue. In addition check ☰ > Settings > ▸ Email > Filter Rules for unexpected rules and Redirect to actions.

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cuz
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Message 3 of 16
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Re: Mail delivery system

Got nothing set in auto forward and the only filter rules I had was for the Norton virus spam emails but I did disable this after the problem started to make sure they wasn't connected.

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Message 4 of 16
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Re: Mail delivery system

If you send yourself an email do you receive it and then shortly after a mail delivery failure?

Any chance another email client used has a forward / redirect rule setup?

 

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cuz
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Message 5 of 16
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Re: Mail delivery system

Tried sending myself from different emails but nothing happened. The only thing that's consistant is the emails that the problem occurs for example if I receive an email from Costco at the same time I'll get a mail delivery return at the same time,and it's the same for all Costco emails. I also had it on the emails to say I changed my password on virgin account as well

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Message 6 of 16
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Re: Mail delivery system

Are these email from mailer-daemon@virginmedia.com and what is the Subject text?

Does the message text state why delivery failed?

Use a text editor to view the notification's attached .eml file, does it contain any X-Sieve headers or other headers that might point to the message's origin?

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cuz
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Message 7 of 16
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Re: Mail delivery system

pretty much all of them are postmaster@virginmedia.com 

usually failed for either user unknown, retry timout exceeded, invalid recipient

X-Sieve: Pigeonhole Sieve 0.4.24.2 (9471f26d). 

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Message 8 of 16
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Re: Mail delivery system

Do you see any of the following header?

⋮
X-Env-Mailfrom:
X-Env-Rcptto:
X-SourceIP:
⋮
X-Sieve: Pigeonhole Sieve 0.4.24.2 (9471f26d)
X-Sieve-Redirected-From:
⋮

 Do you recognise the X-Env-Rcptto email address?

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cuz
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Message 9 of 16
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Re: Mail delivery system

dont recognise the env rcptto address

X-Env-Mailfrom: xxxxxx@blueyonder.co.uk
X-Env-Rcptto: 9zavooepcmq1o7gqcq@independent.co.uk
X-SourceIP: 172.25.161.164

but cant see x sieve redirected from 

heres from another one 

X-Env-Mailfrom: xxxxxx@blueyonder.co.uk
X-Env-Rcptto: costcouk_334d55b6e032ed9da1da0818421a555010a79a7f09fb5d7d@response.costco.co.uk
X-SourceIP: 172.25.161.187

this was from a costco email

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Message 10 of 16
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Re: Mail delivery system

In your post here you mentioned seeing X-Sieve: Pigeonhole Sieve 0.4.24.2 (9471f26d). is that appearing in all these email or just the one?

Apart from webmail, which other email clients do you use to read your emails?

 

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