Best Practices
Why you should warm up a new sender domain
In short: Warming up a new or rarely used sender domain means sending small volumes to your most engaged contacts first and increasing the volume gradually, so mailbox providers learn to trust the domain. If you skip it, your emails can be rejected, ...
Permission-based Email Marketing
In short: Permission-based email marketing means emailing only people who have chosen to hear from you. It keeps your open and click rates high, your bounces and spam complaints low, and your domain reputation strong. Collect consent through sign-up ...
Do's and don'ts for email campaigns
In short: Email campaigns perform best when recipients know you, want your emails, and can easily leave. Use your own authenticated domain, email only people who opted in, write a clear and honest subject line, and test before you send. Avoid ...
How to warm up your sender domain
In short: Warming up a sender domain means sending limited emails to your most engaged contacts and increasing the volume gradually over several weeks, until mailbox providers trust the domain. Before you start, authenticate the domain with SPF, ...
How to craft a win-back campaign
In short: A win-back campaign revives inactive contacts instead of discarding your list, which is more cost-efficient than building a new one. Group inactive contacts by how long they have been quiet, send each group a tailored campaign (a gentle ...
How to Improve Open and Click Rates
In short: Open and click rates show how well your campaigns reach and interest your contacts. To improve them, send trackable HTML emails, write a crisp and honest subject line, add a clear call to action button, and send at the right time to ...
Target Marketing
In short: Target marketing means grouping your contacts by their needs and preferences, focusing your campaigns on the groups most likely to buy, and positioning your product clearly for them. Targeted campaigns earn more engagement and fewer spam ...
Finetune your email campaign by tracking these metrics
In short: Track opens, clicks, and conversions to see whether your campaigns work. Open rate shows how many delivered emails were opened (Apple Mail Privacy Protection inflates it), click rate shows how many led to a click, and click-to-open rate ...
Mailing List Pruning
In short: Mailing list pruning means removing invalid and idle contacts so your list stays full of people who want your emails. Find your inactive, invalid, disposable, and role/group addresses, use the Zoho Campaigns contact views to spot inactive ...
How to send bulk emails to Gmail and Outlook users
In short: To reach Gmail and Outlook inboxes with a large send, authenticate your sender domain with SPF, DKIM, and DMARC, email your most engaged contacts first and increase volume gradually, keep your list clean, and make unsubscribing easy. Gmail, ...
How email engagement magically boosts inbox placement
In short: Mailbox providers decide inbox placement largely by how recipients respond to your emails and by your domain's reputation, so engagement is your best lever. Send targeted, well-designed, mobile-friendly emails from a recognizable sender ...
How to effectively use an old mailing list
In short: To revive an old mailing list, first clean it, then re-engage the contacts who remain. Validate the addresses with a list cleaning service, keep contacts who engaged recently, and let go of the rest. Then send to your recently active ...
Things to do when your email campaign hasn't performed well
In short: If a campaign underperforms, check five things in order: your email content, your sender address, your sender domain's reputation, the quality of your mailing list, and your sending practices. Judge performance mainly by clicks and ...
How to prevent Gmail from clipping your emails
In short: Gmail clips an email when its HTML code is larger than about 102 KB, hiding the rest, including your footer, unsubscribe link, and tracking pixel, behind a "View entire message" link. Keep the code small by cutting content, pasting as plain ...
Will performing email blasts and sending newsletters regularly guarantee conversions?
In short: No, a single blast or a regular newsletter won't guarantee conversions. To convert more contacts, nurture them with follow-up campaigns and automated workflows, offer personalized content, test before you send, keep your mailing list ...
Gearing up for the holiday season
In short: Holiday campaigns need extra preparation because mailbox providers are flooded with email and spammers hide in the traffic. Clean your mailing list, win back or remove inactive contacts, authenticate your sender domain with SPF, DKIM, and ...
Seven tips to foolproof your campaign
In short: Before you hit send, check seven things: your content, images, calls to action, URLs, merge tags, mobile layout, and how the email looks in different email clients. Fix typos and errors, keep images light with real text beside them, make ...
Why you should never purchase mailing lists
In short: Never buy a mailing list. Purchased addresses never opted in to hear from you, so they bring bounces, spam complaints, and spam traps that damage your sender reputation and can get your campaigns or account suspended. They can also break ...
How to craft a dynamic subject line
In short: A good subject line is short, honest, and relevant to the email, supported by a pre-header and personalized where it helps. Test versions with A/B testing, check how it looks on mobile, proofread it, and avoid all caps, heavy punctuation, ...
Double opt-in vs. single opt-in
In short: With single opt-in, a new signup goes straight onto your mailing list. With double opt-in, they must first click a link in a confirmation email. Double opt-in grows your list more slowly but keeps out mistyped addresses and people who ...
Eight common practices that affect email deliverability
In short: Deliverability suffers when you send from an unauthenticated or public domain, ignore your sender reputation, let your mailing list go bad, lose your contacts' engagement, use spammy content, send carelessly, or leave problems unattended. ...
How to handle a blacklisted sender domain/IP address
In short: A blocklist (also called a blacklist) listing means an anti-spam service or mailbox provider has flagged your sender domain or IP address. Pause sending, find and fix the cause first, then ask the list operator to delist you. To avoid it in ...
What is a custom return-path and why is it important?
In short: A return path address is where bounce notifications are sent. A custom return path uses a subdomain of your own sender domain (for example, bounce.zylker.com) instead of your email platform's domain, so your SPF check lines up with your ...
A five-point checklist for sending an email campaign
In short: Before you hit send, check five things: your sender domain's reputation, its status, whether it is blacklisted, whether it is authenticated, and your campaign's content. Zoho Campaigns' anti-spam system won't send a campaign that has ...
How to land your emails in Gmail's primary tab
In short: Gmail sorts email into tabs, and marketing email often lands in Promotions. You can't force Primary placement, but you can ask your subscribers to move your email to Primary or add you to their contacts, and you can improve your chances by ...