Help centre / Email sending and deliverability
Email sending and deliverability
Emails landing in spam, contacts who didn't get your email, bounces, and resubscribing contacts who opted out.
Why your HubSpot emails are going to spam, and how to fix it
Fix HubSpot emails landing in spam by authenticating your sending domain and checking engagement.
Read the fix (5 min)Why some contacts didn't receive your HubSpot marketing email
Find out why HubSpot skipped some contacts on a marketing email and how to reach the ones you can.
Read the fix (5 min)Hard bounces and soft bounces in HubSpot, and what to do with bounced contacts
Read HubSpot bounce reasons, fix the cause and unbounce valid contacts the right way.
Read the fix (5 min)Contact unsubscribed by mistake? How to resubscribe them in HubSpot
Which HubSpot opt-outs you can reverse yourself, and how a contact who unsubscribed can opt back in through the right channels.
Read the fix (5 min)Can't find your fix?
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