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Warm Up Sending IPs - It's a proven practice that slowly warming up sending IP addresses can favorably impact your deliverability rates.DKIM prevents email spoofing by allowing the receiver to authenticate the sender of the message with a public DKIM key listed in your domain's DNS records. DKIM and Domain Keys - This step can vary by your mail service provider, but most platforms now have 1 click enabling of DKIM and Domain Keys.
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Mail services use the PTR record as a significant spam filter. Ensuring that your IP address and domain have matching forward and reverse DNS records is a major boost to your sender score. They are typically set with your hosting company so an IP address can resolve to a specific domain name. PTR Record Setup - PTR records can also be referred to as reverse DNS records.Learn more and setup your SPF record with this guide from dmarcanalzyer. This allows mail servers to quickly determine if a sender is spoofing email from your domain, which can happen quite frequently. SPF Record Setup - SPF records use a DNS TXT record to indicate all allowed hostnames and IP addresses that are authorized to send email on behalf of a domain.Newsletters and marketing content is especially susceptible to spam filtering, so sending quality content and low risk messages can maintain good quality IP and domain reputations and healthy sender scores. Open rates can also be improved by choosing a friendly subject name. The email deliverability test will identify issues with keywords, content, formatting, and DNS records or mail server configurations. This spam test tool will provide recommendations to improve IP and domain reputation and other factors which can limit email deliverability and prevent your messages from reaching the inbox folder. This tool can accurately predict inboxing rates for Gmail, Yahoo, AOL, Hotmail, and most popular mail services worldwide. Checking the spam score based on the email content, sender ID, SPF records, DNS settings, IP blacklisting, domain reputation, domain keys, DKIM, and PTR records is a great way to estimate deliverability and avoid the spam folder. Since every major mail service provider uses spam filters to some extent, it is considered a best practice to scan your email's subject and message content before sending to your marketing lists.