Understand the difference between spam and opt-in email marketing.

The suppression list ensures you never email someone who has unsubscribed, hard bounced, or marked your email as spam.

Set up a custom domain name for login and deliverability benefits.

Email authentication plays a crucial role in deliverability, reducing bounces, and avoiding spam filters. Learn about DKIM, SPF, and DMARC.

Here are some common issues people have when setting up authentication.

You can use your own domain to rebrand your account and emails, log into Campaign Monitor, and authenticate your emails.

If you manage more than one account, you can use the same domain to authenticate both.

Emails not arriving in the inbox could be due to a lack of authentication, or content detected by spam filters as unsafe. Follow our tips to prevent your emails going to the junk folder.

Your bounce summary report can help you investigate delivery issues.

A professional, recognizable From name and address are important for multiple reasons.

Sending to a spam trap damages your sender reputation, resulting in delivery issues. ISPs and blocklist providers use spam traps to identify spammers, so they can block emails from them.

Learn why you may be having trouble with emails not arriving when you send a test email to yourself, or when email campaigns are sent to people at your company.

Get set up for success with our checklist for moving to Campaign Monitor.

The anti-spam legislation of several countries requires organizations sending marketing emails to include a valid, physical postal address.

A sudden spike in signups, spam complaints or unsubscribes, or a drop in open rates, could be signs of a spambot attack.

Gmail customers who mark an email as spam are not unsubscribed from your list, although future emails sent to them will go straight to junk mail.

How spam complaints are made, how they affect your deliverability, and what you can do to avoid them.

High bounce rates negatively affect your sender reputation, and can land our sending IPs on blocklists which results in delivery issues for everyone.

You can resolve delivery issues by understanding how ISPs use blocklists and block senders. Prevent your emails landing in the junk or spam folder.

Solve delivery issues by looking at your bounce reasons, for example mail block - general versus spam detected. Some bounces may be caused by a temporary blocklisting.

Many deliverability cases revolving around emails not arriving are caused by a lack of email authentication. Low open rates and bounces can also be caused by not authenticating your sending domain.

Follow this advice to prevent your email being mistaken as a phishing attempt.

Authenticating your own sending domain is crucial for deliverability. Avoid being perceived as a spammer by ISPs, spam filters and your recipients. These instructions will help you set it up in your account.

Approvals are a normal part of sending email through an email service provider. They make sure people are playing by the rules, and help keep spammers at bay.