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FAQ: What to do when you're no longer receiving emails
FAQ: What to do when you're no longer receiving emails

Learn what steps to take when you are no longer receiving emails from Bookwhen

Anni avatar
Written by Anni
Updated over a year ago

There may be a few reasons why you or a customer are no longer receiving emails, such as a hard bounce, spam complaint or an ISP block.

This article covers:


Different types of bounces

Hard bounce

This is the result of an error on the receiving end, such as an incorrect email address, which automatically blocks any future emails.

Spam complaint

When an email address has been marked as invalid due to a spam complaint in the past, this either moves the emails to your junk folder or they are blocked completely.

  • When this happens, you can either unmark the spam complaint through your email host, or the support team can do this for you.

ISP block

An ISP Block bounce means that the message was rejected by the receiving mail provider and not delivered to the recipient. This automatically blocks any future emails.

  • ISP Blocks need to be resolved on the receiving mail server side. To resolve those blocks, you will need to add mail@bookwhen.com to your safe sender list.
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💡 Please note: Sometimes, a message may show as delivered, but it doesn't appear in your mailbox. Once we send a message to the mail server, we can't track or control it. The mail server accepted the message, but it might be going through additional checks or staying out of the inbox. This is unfortunately beyond our control, and you should contact your mail server for more information.


Next steps

💡 You may wish to add mail@bookwhen.com to your safe sender list to avoid these bounces from happening again:


💬 Any questions or feedback? There are two ways to get in touch:

Thank you! 🕺


Tags: booker

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