Email sending and sender

Who your restock emails come from, which mail server sends them, and how to check what went out.

Three places decide what a shopper sees in their inbox and whether it arrived:

What	Where
Sender name, from address and reply-to	Appearance → Notifications → Email, the Email section
The mail server	Settings → Email sending
What was sent, and what failed	Settings → Communication logs

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Sender name and reply-to

Open Appearance → Notifications, choose Email, and expand the Email section. These apply to all four notification steps, not just the one you are editing.

Field	Default
Sender name	Your store name. Type another name to send as that instead.
From email address	The Notifylyst default address. Your own address needs your own SMTP server (below).
Reply-To email address	Your store admin email — where shopper replies go.

The store details card on the Settings page (time zone, currency, owner email) is read-only here; change those with Edit in Shopify settings. Exports and reports use your store’s time zone.

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Email sending — Notifylyst or your own server

Settings → Email sending has two choices:

• Notifylyst mail servers (Recommended, the default) — no setup, no DNS records, no credentials. The right choice for most stores.
• Your own SMTP server — send through your own mail provider. Reasons to bother: your own domain’s reputation, compliance rules that require mail to leave your infrastructure, or you already run a transactional mail provider.

For your own server, fill in:

Field	Notes
SMTP host	Must be a public internet address, for example smtp.example.com.
Port and encryption	Port 587 by default; encryption None (default), SSL or TLS. Usually 587 with TLS, or 465 with SSL.
Username / Password	From your mail provider — for SendGrid the username is apikey. The password is never shown again after saving.
Send from	The address shoppers see. Use one your SMTP account is allowed to send from.

Using your own server depends on your plan (Custom SMTP). Messages you may see:

Message	Fix
SMTP host must be a public internet address.	Use your provider’s public host name, not an internal one.
SMTP port must be a number between 1 and 65535 (usually 587 or 465).	Correct the port.
Sender email must be a valid email address.	Correct Send from.
Enter an SMTP host before enabling custom SMTP.	Fill in the host first.

Then send yourself a test from Appearance → Notifications and check Communication logs.

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Communication logs

Settings → Communication logs lists every message Notifylyst sent for your store — restock alerts, summary reports, sign-up alerts and exports. Filter by what it was, channel, status (Sent, Failed, Pending) and date, or search. Failed rows show the reason.

If nothing was sent you see Nothing was sent in this period with these filters.

Delivery rules

Next: who is alerted, and when.

Message templates

Write the emails these settings send.