We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Cannot send E-mails

more options

When trying to send E-mails the following error message appears:- An error occurred while sending mail. The mail server responded: Sorry, we couldn't send your message. The network address your device has been assigned is on an industry blacklist to prevent Spam. The problem should be addressed by your network service provider. Please try again later or use webmail.. Please verify that your email address is correct in your account settings and try again.

I can send mails using mybtinternet website.

When trying to send E-mails the following error message appears:- An error occurred while sending mail. The mail server responded: Sorry, we couldn't send your message. The network address your device has been assigned is on an industry blacklist to prevent Spam. The problem should be addressed by your network service provider. Please try again later or use webmail.. Please verify that your email address is correct in your account settings and try again. I can send mails using mybtinternet website.

All Replies (2)

more options

Hello there Glynn .ramsden. We have read your message. We try to help you.


https://mxtoolbox.com/blacklists.aspx

Yes you are on a personal blacklist of a company/ industry. You have to contact your provider. Solve with them how to go further than where you are now. After contacting you will be off the Blacklist if they decide that. With there norms and etc.


Greetings Firefox Volunteer.

more options

Hello there again. Glynn.Ramsden.

Oké send me a picture of the mails please.


Greetings Firefox volunteer.

https://mxtoolbox.com/blacklists.aspx

Modified by День сумо