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IP Blacklisted can't send emails

sheran1961
Joining in

Hi, 

I'm suddenly unable to send emails, and this error message has popped up.

An unknown error has occurred.
 
Subject ''
Server Error: 421
Server Response: 421 csmtp3.tb.ukmail.iss.as9143.net cmsmtp Sorry your IP is active in our local abuse blacklist. Contact Virgin Media abusedesk for delisting requests.
Server: 'smtp.virgin.net'
Windows Live Mail Error ID: 0x800CCC67
Protocol: SMTP
Port: 25
Secure(SSL): No
 
I've checked my IP on MXtoolbox and it's only blacklisted with SORBS DUHL and Spamhaus ZEN which Virgin has said is normal and shouldn't cause any problems with sending emails.

When I go to the abuse desk page there is nowhere to request my IP being delisted or anywhere else to ask for help. 
 
Does anyone know how I can solve this problem?
 
Thanks

 

44 REPLIES 44

Hello Eponemuss

I am more than happy to take a look at this for you 
I will need to send you a private message to pass security 
If you can check the purple envelope top right of your screen that would be great 
Regards     
Gareth_L

Hello Eponemuss

Thanks for those details 

I have checked here  and nothing is showing as being black listed 

How are you sending emails, By webmail or though a client like Outlook 

Gareth_L

Hi Gareth. We use a combination of methods including Outlook, and iOS Mail

Thanks Eponemuss

And all these methods fail when trying to send Mail 

Do you get any error message or a VM504 error number 

Gareth_L

Yes, they all fail.

latest error message from within outlook was as follows. 41B77110-846E-43AA-A107-46CF1093DA7F.jpeg

Just received this message from within iOS Mail.485908CA-20B5-43B2-82BC-10CA2BCCEBE0.jpeg

Followed by this one when I hit ‘repair’ message.

E715E115-BC09-4812-A201-DA7705DE102C.jpeg

ravenstar68
Very Insightful Person
Very Insightful Person

@Gareth_L 

While the suggestion to use MXTOOLBOX is merited - the problem is that it only uses those blacklists it knows about.

The wording of the error would suggest that the blacklist in use is not found there, but instead is a blacklist managed by VM's security team to protect the integrity of the outbound servers.

Tim

I'm a Very Insightful Person, I'm here to share knowledge, I don't work for Virgin Media. Learn more

Have I helped? Click Mark as Helpful Answer or use Kudos to say thanks

One more thing to note is that it is only a problem on wifi. If We send from my iPhone in iOS Mail it works. 

Thanks Eponemuss

I'm just waiting for the images to be uploaded from our side 

Gareth_L