Email Deliverability
Why is my open rate zero?
Zoho Campaigns does not track open rates for plain-text campaigns because no tracking pixel is embedded. If open rates are zero with HTML campaigns, tracking may be disabled. You can enable it through the Show Advanced Options section during campaign ...Does Zoho Campaigns track timestamps of open rates?
Yes. Zoho Campaigns tracks and records the timestamps of each email open. This allows you to see exactly when recipients opened your emails, helping you analyze engagement patterns and optimize sending times.Does Zoho Campaigns track multiple opens?
Yes. Zoho Campaigns tracks multiple opens by the same recipient. It records each time an email is opened, helping you understand engagement frequency, not just whether the email was opened once.How does Zoho Campaigns track the click rate?
Zoho Campaigns tracks click rate by automatically converting all of the links in your email into trackable URLs. When a recipient clicks a link, Zoho Campaigns records the click before redirecting them to the destination, allowing you to measure how ...Should I include an one-click unsubscribe option?
Yes. Incorporating an one-click unsubscribe option in your Zoho Campaigns emails is essential for compliance, user experience, and deliverability.How can I avoid spam markings?
To avoid spam markings, follow best practices such as using an authenticated domain, avoiding spammy language, maintaining a healthy email list, and adhering to email design best practices. Learn more.Is email size considered in spam classification?
Yes, spam filters use email size as an indicator. To increase the chances of emails reaching the inbox, it's generally recommended to keep the email body size between 15 KB and 100 KB.What should I do if my email is categorized as a phishing email?
Please ensure that you've authenticated your domain in Zoho Campaigns. If it is, please send us an email to support@zohocampaigns.com with the header file of the email that has the phishing warning message for further investigationWhy has a phishing tag been added to your email subject?
A phishing tag is added when email filters suspect that the content of your email is deceptive or malicious, aiming to steal personal information. This tag warns recipients and reduces trust, often caused by suspicious links, misleading wording, or ...Do email service providers (ESPs) disclose email classification details?
No. Due to security and privacy reasons, email service providers do not disclose email classification details.Are spam markings tracked for all email clients?
No. Zoho Campaigns does not track spam markings for all email clients in the campaign reports.Can I find the spam markings count in my campaign reports?
Yes, you can find the contacts who have marked your emails as spam in the Reports section. Go to Reports → Sent Campaigns → Open the specific campaign → Report summary → Spam.What does "spam markings" mean?
Spam markings indicate that recipients or email filters have flagged the message as spam. This hurts your sender reputation, reduces deliverability, and can result in future emails being sent to spam folders.Should I authenticate my sub-domain?
Yes. You need to authenticate your sub-domain separately.Will my sub-domain be affected if the primary domain is affected?
Yes. If your primary domain’s reputation is affected, it could also impact the reputation of your sub-domain. You should continue the warm-up process to improve the domain’s reputation.Will email delivery be affected if the image size exceeds 1 MB?
Yes. If an image is larger than 1 MB, it will take longer to load, potentially leading to the email being marked as spam.Why are my emails getting clipped in Gmail?
Marketing emails get clipped in Gmail when the HTML content exceeds Gmail’s size limit of around 102 KB. If the email is too large, Gmail hides the rest behind a “View entire message” link, which can negatively impact user experience and click rates.What are considered as spammy words?
Spammy words in marketing emails include terms like "free," "urgent," "guarantee," "winner," "cash," "discount," and "buy now." These words can trigger spam filters because they appear overly promotional or deceptive.Can an email's content cause it to land in the spam folder?
Yes. Marketing emails with excessive sales language, misleading subject lines, too many links, redirection links, or poor formatting may trigger spam filters. Such content increases the email's SCL score, raising the likelihood of it landing in the ...Why is the SCL score high?
A high SCL score indicates that the email exhibits characteristics similar to spam, such as suspicious links, poor formatting, or misleading content. Email filters use the SCL score to protect recipients, so a higher score increases the chances of the ...What does the SCL score in the header file or email header mean?
SCL stands for Spam Confidence Level. The SCL score in your email header indicates the likelihood of your email being marked as spam, as assessed by the recipient’s mail server. A higher SCL score means that your email is more likely to be considered ...Will authenticating my domain resolve spam issues?
Domain authentication validates the origin of your email and increases its trustworthiness, which helps reduce spam issues. However, please note that other factors can also affect deliverability.I authenticated my domain, but my emails are still landing in the spam folder. Why?
Domain authentication is an important factor in email classification. However, other factors, such as subject, content, and sender domain reputation, are also considered. We need to analyze the email header file to pinpoint why your emails are landing ...Can I see a report showing the number of emails that landed in the spam folder?
No. Recipient servers don’t disclose email classification details, so we don’t have a feature to track whether your emails were classified as spam.Why are my test emails landing in the spam folder?
Multiple factors can affect email deliverability. To identify the specific reason your test email landed in the spam folder, we’ll need the email header file.Why are my test emails displayed with a warning message in my mailbox?
Warning messages in test emails typically indicate issues like unverified sender domains, missing SPF/DKIM/DMARC records, suspicious content, or emails being sent from low-reputation IPs. To avoid such warnings, ensure proper domain authentication and ...What are the limitations of sending test emails?
Merge tags won’t work in test emails, and you're limited to sending a maximum of 50 test emails per day.What are the advantages of sending test emails?
Test emails help you identify alignment and formatting issues (if any). They also provide insights into email delivery results. By sending the email content to a known address, you can gather feedback before launching the actual campaign.Is the subject line considered in email classification?
Yes. The email subject line is a key factor in email classification. Spam filters analyze it for spammy words, misleading content, or excessive punctuation, which can affect whether the email lands in the inbox or spam folder.Does domain age matter in email classification?
Yes. Domain age is considered in email classification. Older domains with established reputations are generally trusted more, while new domains may face stricter scrutiny and a higher chance of emails being marked as spam.Can I send emails from a recently created domain?
We do not recommend sending campaigns to bulk contacts using a newly created sender domain. We advise you to warm up your sender domain before sending bulk campaigns from a new domain. To elaborate, allow sending campaigns from newly created sender ...Will a low domain reputation impact email deliverability?
Yes. A low sender domain reputation will negatively affect email deliverability by increasing the chances of emails landing in spam folders or being blocked, reducing open rates, and overall campaign effectiveness.What are the possible reasons your domain reputation might be affected?
Your domain reputation can suffer from high spam complaints, sending to invalid addresses, poor list quality, low engagement, and spam-like content. Inconsistent sending patterns and missing email authentication (SPF, DKIM, DMARC) also harm your ...What actions will be taken when a Zoho Campaigns IP address gets blacklisted?
We have a dedicated team that works 24/7 to monitor IP address reputation and take necessary steps to delist our IP addresses when they get blacklisted.Will Zoho Campaigns be monitoring the reputation of IP addresses?
Yes, our backend systems continuously monitor the IP reputation. If the IP assigned to your Zoho Campaigns organization is affected, our systems will automatically assign your account to another high-reputation IP.What does a shared IP address mean?
In Zoho Campaigns, a shared IP address means multiple users send emails from the same IP. This setup shares sender reputation, so your email deliverability can be affected by other users’ sending behavior and practices.How are IP addresses assigned for emails?
We have an automated system that checks and assigns IP addresses randomly to your account. Our system also monitors the performance of your campaigns and may move your account to different IP address ranges.Does sending emails in the recipient's timezone help email delivery?
Yes. Sending emails at the recipient's optimal time increases the chances of engagement, which positively impacts email delivery and performance. It helps you send emails when your recipients are most likely to engage with them.Does sending time play an important role in email delivery?
Yes. Sending time plays a crucial role in email delivery. Emails sent during peak engagement times are more likely to be opened and interacted with. Poor timing can lead to lower engagement, which negatively affects sender reputation and future ...How can I encourage my recipients to add my email address to their address book?
Kindly use our vCard merge tag and inform your recipients to use it to add your email address to their contacts/address book for better email deliverability.Next page
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