New answers tagged email
Yes, unless promised "free email with domain name registration" you do need hosting services to have @domain.com email service.
If memory serves correctly when you change the CNAME and IP pointer for a domain to a new location, then on the NEW location you need to have/add/write a MX record in the zone file that points back to the previous mail host location if your going to have the previous location continue to handle mail activities. Remember that the A record / CNAME record is ...
Most likely because the people providing you email addresses have given you a bogus email, typed it wrong, they have deleted their account or the account is suspended. 550 error is related to mail not being able to received and not related to spam. Unless you have a 'confirm' email input field on your signup to email subscription then its likely mistypes ...
I agree with closetnoc as well that you should use mxtoolbox.com to check your domain name and IP address to see if you are listed on a blacklist and if you are, go through each entry and visit the respective websites to find out how to be taken off the blacklist. This can happen because hackers may have installed a malicious script that is executed ...
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