Why are my emails being blocked as spam?

Why are my emails being blocked as spam?

As the domain was used by spammers some time, it may be blacklisted and that’s why some filters block the email as spam. This time the emails passed through the filters and reached the recipients. So, if you find your emails blocked by the spam filters, it may be because of a domain name you use in the message content.

How do I unblock a sender in Gmail?

How to unblock someone on Gmail

1. Click the gear icon and open Settings.
2. Click Filters and Blocked Addresses.
3. Click Unblock.
4. Confirm unblocked email address.

How to prevent Gmail messages from being sent to spam?

To reduce the chances that messages from your domain are sent to spam or blocked by Gmail, follow the general best practices in this section. Set up valid reverse DNS records of your IP addresses that point to your domain. Ideally, send all messages from the same IP address.

How to send mail from the same IP address in Gmail?

Unauthenticated emails with attachments might get completely rejected for security reasons. To ensure Gmail can authenticate you: Send from the same IP address. Keep valid reverse DNS records of your IP address that point to your domain. Choose the same address in the “From:” header for every message.

What to do if you get a bounced email in Gmail?

Bounced mail to one user: If you’re getting bounced messages when sending to a single Gmail user, read how to fix bounced emails. Message rejected by Google Groups: If your message is rejected when sending to a work or school Google group, go to sender guidelines for work or school accounts.

What are the guidelines for sending mail to Gmail?

IP guidelines. The sending IP must have a PTR record (i.e. a reverse DNS of the sending IP) and match the IP obtained via the forward DNS resolution of the hostname specified in the PTR record. The sending domain should pass either a SPF check or DKIM check.