email support

Ask us about your TalkTalk email account and Webmail.

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This is the place to be to ask any questions you have about your email
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Forum Posts

TalkTalk Mail : Current issues

Some customer mailboxes are showing an internal server CLOUDLDAP-0003 authentication error that prevents webmail sign in. Email clients will also report a problem with sign in credentials. There is no user workaround. TalkTalk Support will raise a fa...

The server is being maintained. 12Apr2022 Error - message could not be sent 13Dec2021
Gondola by Community Star
  • 0 replies
  • 3 like

Verification Failed

Hi, I run a software company and our clients use our web applications to send messages to their members. We use a third-party email provider called to send the messages. Since 19th April 2022, one of our clients has had all emails to talk...

Email has been hacked

HI email has been hacked and password changed, unable to reset as password reset sends link to email account I can't access. How do i proceed. customer centre currently closed.

PhatDaad by Sightseer
  • 23 replies
  • 0 like

Outlook access

For a while I could not receive incoming mail into Outlook though outgoing mail still worked, I gather this was as a result of upgrade to TalkTalk. However, after a time this facility came back and I was until about a week ago able to use Outlook as ...

Unable to send e-mails

Unable to send e-mails from any of my accouts from my PC, laptop, or phone. Undeliverable error " too many recipeints" even when I just send e-mail back to myself. Same message when I try to send from webmail or microsoft office Outlook. Set up new t...

Unable to send or receive emails through Outlook Client

Since yesterday afternoon I have been unable to either send or receive emails via Outlook Client.I have checked all the settings several times as shown in the TalkTalk guide. I changed my password a few weeks ago. What else can I do?This is very frus...

ChrisB47 by Participant
  • 12 replies
  • 0 like

Unable to send email (Outlook 2010)

For the last couple of days I've had problems sending emails from my PC at home. Currently, I cannot send two small-ish emails. I've shut down & re-opened Outlook several times, but makes no difference - it seems to take forever trying to send, then ...

SClarke by Conversation Starter
  • 3 replies
  • 0 like

email messages to addresses are bouncing back

I have been trying to email people in the last few days with email address and they have bounced back with error 550 5.1.1 Recipient Domain invalid.I have not had problems previously. Does anybody know what is going on please?

PeeJay2 by Chatterbox
  • 1 replies
  • 0 like

Address Book in email

I have changed my account email, but cannot get my address book contacts up.How can I transfer my address book contents to my new email so that they appear when I compose an email for them to appear when I want them to appear when I complete who I wa...

JJ2020 by Chatterbox
  • 2 replies
  • 0 like

Email not working on any device

Since about 1.15pm today I have not been able to send or receive email on any of my devices - desktop, iPad, my husband's laptop and iPad ( we share the same email address). I have tried to use webmail but I can't send with that either. This is the e...

Can't send - Sender Domain Invalid (TT420)

Hi I am unable to send any email from my talktalk account, the error message I get is " sender domain invalide TT420. Can some one help me llease to fix this problem please? Thanks

Email connection failed.

My main email address is showing as connection failed, this is to address, now part of Talktalk. It is receiving but not sending messages. Any reasons know why this should occur this afternoon?

Can't send or receive email.

Hi Im getting the same error on on webmail and was just going to post it Also all my web clients on multiple apple devices all time out with is not responding. it’s been like this since about 11:30 today. Must be some ...

Resolved! Can't send or receive email.

In client, email won't send or receive. Seemed ok earlier.Fault message :The message could not be sent because the server rejected the sender's email address. The sender's email address was'. Server Error: 550Server Response: 550...

davep by Insightful One
  • 21 replies
  • 1 like

Cannot send emails

I'm having the same problem - cannot send emails but can receive ok. Originally it was the TT505 msg, then TT506. All the recipients are valid addresses ( I use them on a weekly basis) , and even replying to a msg from my alternative (gmail) address ...

ortonym by Chatterbox
  • 2 replies
  • 2 like

Cannot send emails

Hi, I am having the same problem with a tiscali email adress. Error code: 550 - 550 5.1.0 ZtCOnMAMkB4JQ Sender Domain Invalid (TT420)

LTurner by First Timer
  • 2 replies
  • 2 like

Resolved! Email settings stopped working - old (non-TLS) ones work again

About 13:15 this afternoon we stopped getting email and were unable to send. I checked the recommended settings for POP and SMTP in Outlook 2019 - all looked good. After scratching my head I set up Outlook 2019 on another laptop. It came back with th...

NickS_2 by Chat Champion
  • 5 replies
  • 0 like

Emails not sending

Has been fine all day until a couple of hours ago. Several emails sat in my outbox and getting error messages. It says too many recipents but it's only to one person. I have sent some emails earlier today (I send out a regular newsletter to a few peo...

User deactivated

Please Help! I can't log in to check my emails, says user deactivated authorisation-0001.You'd of thought there would of been some sort of warning!I have some really important emails I need to recover, is there any way please. Many thanks

Ori_123 by First Timer
  • 4 replies
  • 0 like

TalkTalk refusing to work with Apple Mail - AGAIN

I am using AppleMail v. 13.4 on Catalina and TalkTalk is not communicating with it. I can send and receive with another client (Thunderbird) or TalkTalk webmail but NOT with Apple Mail. Please fix this. It happened before, recently, and took 5 days t...

TominLondon by Super Duper Contributor
  • 22 replies
  • 0 like

(Nearly) all emails disappeared

Morning boys & girls - an elderly friend (even older than me) has lost his emails from TalkTalk. They were fine last week, apparently. He uses an Android tablet & app, but the emails are still missing if we log into webmail. There are a few left, som...

Too Many Recipients (TT502)

Good morning I am receiving the "Too Many Recipients (TT502)" error when sending to just one person. This is happening on my phone, on Outlook and on the web interface. What's going on, please? I have tried the usual 'turning it off and back on again...