Email deliverability is the ability of your campaigns to reach subscribers' inboxes instead of being rejected, bounced, or filtered to spam. It depends on your sender identity, domain authentication, list quality, campaign content, sending behavior, and recipient engagement.
Use the tips below to improve your deliverability when sending campaigns through Mailcamp.
Use a sender email address from a domain you own.
Go to Sending domains and add your domain.
Add the DNS records generated by Mailcamp.
Verify DKIM, SPF, and DMARC records before sending important campaigns.
Use an email address from an active verified sending domain as your campaign From email.
Use a From name that subscribers recognize.
Avoid switching sender domains or sender names too often.
Use a monitored inbox for replies instead of a no-reply style address.
If Mailcamp falls back to a default sender address, check whether your custom sending domain is available and verified.
Make sure your sender identity matches your website, brand, or organization.
Send only to people who opted in or have a clear relationship with your brand.
Do not use purchased, rented, scraped, or outdated lists.
Remove bounced, undeliverable, invalid, and inactive contacts regularly.
Use audience verification when available to identify risky or invalid addresses before sending.
Do not send marketing emails to unsubscribed, blacklisted, or suppressed contacts.
Segment your audience so each subscriber receives content that matches their interest or relationship with you.
Write subject lines that accurately describe the email content.
Avoid misleading urgency, excessive sales language, and all-caps subject lines.
Balance images with readable text content.
Use clear calls to action and avoid unnecessary links.
Include a visible unsubscribe link in every marketing campaign.
Use the {UNSUBSCRIBE_URL} tag when editing templates or campaign content.
Do not hide the unsubscribe link or make it hard to use.
Review the unsubscribe form and unsubscribe success page for the connected list.
Honor unsubscribe requests and do not re-import unsubscribed contacts without a new opt-in.
Use a custom tracking domain when your plan supports it.
Review campaign reports after every send.
Watch bounce rate, unsubscribe rate, complaint or feedback rate, opens, and clicks.
Check bounce logs to understand why messages were rejected.
Use report trends across campaigns instead of judging deliverability from one send.
Avoid suddenly sending a large campaign to an old or untested list.
Start with engaged subscribers when warming up a domain or returning after a long sending break.
Keep a consistent schedule so subscribers and mailbox providers know what to expect.
Pause and investigate if bounce or complaint rates increase sharply.
Clean or segment inactive subscribers before sending another broad campaign.
Send a test email to review formatting, links, images, and sender details.
Use Mailcamp's spam score check when available.
Confirm that all links point to trusted, relevant pages.
Avoid URL shorteners and suspicious redirects.
Make sure the unsubscribe link is present and working.
Emails go to spam: review authentication, list quality, content, complaints, and bounce history.
Emails go to Promotions: this is inbox categorization, not a delivery failure.
Bounce rate is high: stop sending to that audience and clean invalid or risky addresses.
Complaint rate is high: send only to recently engaged subscribers with clear consent.
Sender domain is pending: review DNS records in Sending domains and click Verify Now after propagation.
Open or click data looks unusual: remember that privacy tools and security scanners can affect engagement tracking.