Sending emails
Sending is the runtime counterpart to building email templates. You build the design and metadata once in Email templates, then this is where you actually push them — to your full guest list, a filtered segment, or a single person.
Common patterns:
Initial invitation blast — your invitation template goes out to everyone who hasn't been invited yet
Reminder to a subset — your reminder template goes only to guests who confirmed but haven't downloaded their ticket
Resend to a specific guest — they lost their confirmation, send them another copy
Update notice — venue changed, blast everyone with a notice
You access email sending from the left menu: Mailing.
Bulk mailing — send to many guests at once
This is the primary send surface. It works for everything from "send to everyone" to "send to a single specific person" via the Custom condition filter.
Go to Mailing in the left menu.
Click New mailing in the upper right corner.
Choose the template you want to send. A summary appears.
In the right pane, select your recipients. You have two options:
Pre-defined options — quick filters like "all confirmed guests," "all guests who haven't responded," etc.
Custom condition — precise targeting. Examples: "all confirmed guests in Group A," "all guests where their email is X," "everyone who registered after a specific date."
(Optional) Click Edit to adjust the subject, sender's name, or reply-to email for this send only — without changing the underlying template.
Click send.
The Custom condition option is what turns this into a flexible resend tool. To resend to a single registrant, set a condition that matches just them (e.g.,
Email → equals → name@company.com) — works the same as sending to a thousand.
Sending to a single guest from their record
If your Host setup includes a Guests tab in the left menu, you can send directly from a guest's record:
Go to Guests in the left menu.
Click the specific guest you want to email.
Click the Send email button.
Pick the template, then Send.
Some Mobly Host orgs don't expose the Guests tab (the guest list is replaced by Mobly's leads — see the Host overview). If you don't see a Guests tab in your Host left menu, use the Bulk mailing path with a Custom condition matching just that one guest — same result.
What gets sent vs. what's stored
The send action uses the template's current state at the moment of send:
Template content and design — whatever's in the Builder right now goes out
Subject / sender / reply-to — pulled from template settings, optionally overridden per-send
Attachments (PDF ticket with QR, ICS calendar file, custom files) — included if configured on the template
Visibility conditions on sections — applied per-recipient, so the same template can render different content to different guests
Once a send goes out, the recipient's record in Host shows that email in their history. If you're using Mobly's CRM-side sync, the engagement also flows there (see the CRM comparison).
Related articles
Creating email templates — designing the templates you'll send
Preparing the event page — the registration page guests land on from your invitation
Getting started with Host — launching Host for an event
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