Custom blocks: write it once, use it in every email
Template
Hi {{first_name}}, thanks for your time today. The proposal is attached.
{{block:signature}}
What Anjali receives
Hi Anjali, thanks for your time today. The proposal is attached.
Riya Sharma
Founder, Pixelnest Studio · Pune
What it does
One token, anywhere in the body
Pick a block from the Blocks list next to “Insert field”, and its token goes where your cursor is.
Merge fields inside
A block can carry fields such as {{first_name}}; they are filled in for each person like the rest of the email.
Edit once
Templates and drafts pick up a block’s new text. Each block lists the templates and drafts that use it.
Safe once it starts
When a campaign starts, its blocks are written into it, so a later edit never changes an email that is going out or scheduled.
Plain or formatted
A plain-text block fits a formatted email, and a formatted block becomes plain text in a plain email.
Missing blocks caught
If a block was deleted, the preview and the launch review say so before anything is sent. A workspace keeps up to 200 blocks.
How it works
- 1
Open Templates, then Blocks, and create a block such as “Signature”.
- 2
In a template or a campaign, choose Blocks and insert it.
- 3
Preview the email: the block’s text shows in place.
- 4
Edit the block later; every template and draft using it is up to date.
Questions about custom blocks
Can I use a block in the subject line?
No. Blocks go in the body; the subject takes merge fields.
What happens if I rename a block?
Nothing breaks. A block’s token is fixed when the block is made, so renaming it never changes an email that uses it.
Which plans include custom blocks?
Starter and up (Starter, Premium and Pro). On the Free plan the Blocks tab and picker show a note with a link to Plan & billing.
See what each plan includes on the pricing page, or read every question.
Works well with
Merge fields
Put {{first_name}}, {{company}} or any column of your list in the subject and body, with fallbacks for empty values and a preview of each person’s email.
Learn moreAttachments
Attach files to every email of a Gmail mail merge: up to 10 files and 20 MB an email. Gmail-blocked file types are caught before you send.
Learn moreDeliverability check
Check your domain’s SPF, DKIM and DMARC and your email’s spam words, links and images before sending, with a score and plain fixes.
Learn more
Free tools and guides
Send your first campaign this week
Start on the Free plan. No card needed, and nothing is sent until you press Send.
Start freePrefer a walkthrough first?
Leave your number and we will call and show you around. Outside India? Write to hello@fusomail.com.