New answers tagged gmail
The best thing to do is to forward e-mails from the old e-mails to one central e-mail address that you create, (provided that the customers doesn't use these anymore). That way they won't miss anything and will receive all of their mail. Then use the IMAP and POP3 services in a google account for the new e-mail that forwards all the incoming mail from the ...
I'm assuming that your domain is hosted on the Shared environment. In this case, you should contact the service provider i.e. Hostgator. Generally, such errors occur when Google detects some unusual rate of the mail to Gmail from a mail server IP address. It may be possible that the other domains hosted on the same server have sent the unsolicited mails to ...
That sometimes happens when and email provider has blacklisted the IP address for mail spam. To stop this situtation, you need to talk with gmail directly so they unban your ip as it's a legit domain now.
I've found the error. I didn't configure Dovecot properly. This is the tutorial i used: https://www.crahl.ca/blog/postfixdovecotpostfixadmin-on-ubuntu-14-04/
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