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 Best practices for sending emails to many recipients

Sending an email to many recipients is a common practice of spammers. As a result, most mail...

 How can I Report Spam?

To report unfiltered spam, in any folder other than Spam, choose one of the following: Select...

 I need to add a domain to the Blocklist

Blocklist a DomainIf you wish to block messages from a particular sender, you can block that...

 I received an error saying my mailbox has been detected sending spam

If you received an error stating that you have been detected sending spam, this means that...

 Receiving Spam

There are many reasons why you may be receiving spam in your Inbox.  It's possible that these...

 Someone else is receiving a bounceback message when sending to me

Common Bounce Messages Explained SMTP Responses SMTP responses provide a brief...

 What are the email sending limits?

To ensure a timely and reliable experience for all our customers, we maintain reasonable...

 What is DKIM?

DKIM adds a secure signature to email senders of your domain to authenticate email sent from any...

 How to mark a message as Not Spam

If a message has been delivered to your spam folder and it is not spam, you can mark it as not...