Elastic Email SMTP settings: smtp.elasticemail.com, port 2525 or 587
Elastic Email SMTP relay: host smtp.elasticemail.com, ports 2525/587 STARTTLS or 465 SSL, username = your account email, password = an API key or SMTP credential. Free plan limits and setup.
Elastic Email outgoing mail server:
smtp.elasticemail.com, port <code>2525</code> (STARTTLS) or <code>587</code> (STARTTLS) or <code>465</code> (SSL/TLS) or <code>25</code> (STARTTLS), username = your Elastic Email account email (or an SMTP sub-account username), password = an API key / SMTP password created under Settings → SMTP.
Elastic Email SMTP settings at a glance
| Outgoing (SMTP) host | smtp.elasticemail.com |
|---|---|
| Ports & encryption |
2525 — STARTTLS <em>(recommended by Elastic Email)</em>587 — STARTTLS465 — SSL/TLS25 — STARTTLS |
| Username | your Elastic Email account email (or an SMTP sub-account username) |
| Password | an API key / SMTP password created under Settings → SMTP |
| Authentication | Settings → Create SMTP credentials; keys are shown once. |
How to set up Elastic Email SMTP
- Settings → Domains → add and verify the domain.
- Settings → SMTP → Create credential.
- App settings: host smtp.elasticemail.com, port 2525 (or 587), STARTTLS, username = account email, password = credential.
Sending limits
- Free plan: 100 emails per day with Elastic Email branding; paid from around $15/month (Email API) or $9/month (marketing).
- Domain verification (SPF, DKIM, tracking CNAME) required to send from your domain.
Things that catch people out
- Elastic Email rewrites the Return-Path to its own domain unless a custom bounce domain is configured.
Common Elastic Email SMTP errors
| Server reply | Meaning | Fix |
|---|---|---|
535 5.7.8 Authentication failed | Account password used instead of an SMTP credential. | Create an SMTP credential. |
More codes: 535 authentication failed, 550 relay denied, 554 rejected as spam, connection timed out — or all SMTP error codes.
When Elastic Email is not enough for your app
When a provider caps you or blocks a port, point the same app at QueenSMTP instead: host smtp.queensmtp.com, port 587 (STARTTLS) or 465 (SSL), your SMTP username and password from the dashboard. $5/year plus $0.10 per 1,000 emails, 100 free a day to test.
Get SMTP credentials — free to test Test Elastic Email nowRelated settings
Elastic Email SMTP — questions
smtp.elasticemail.com on port 2525 or 587 (STARTTLS) or 465 (SSL), with your account email as username and an API key as password.
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