Ask the SendAxion AI assistant at any time, switch to a live agent in the same chat, or open a ticket with our help desk when something needs investigating.
Our help desk opens in a new tab at helpdesk.walexbiznig.com. It is run by Walexbiz, the company behind SendAxion.
Select Support in the bottom corner of any page on sendaxion.com or in your dashboard. The SendAxion AI assistant answers questions about the Email API, SMTP, sending domains, events, webhooks, suppressions, pricing and moving from another provider.
Choose Live agent to continue with a person. Your recent conversation with the assistant goes with you.
Best for anything that needs investigation: messages that weren’t delivered, bounces, domain verification, account access, billing and plan questions. A ticket keeps the whole conversation, and any files you attach, in one thread.
Write to support@sendaxion.com from an email address on your workspace, so we can find your account quickly. Email support is included with every paid plan.
The more of this we have in the first message, the faster we can trace what happened.
message_id from the API response or Message activity is the quickest way for us to trace a message.550 5.1.1 line, or the API status code and response body. Paste text rather than screenshots where you can.Workspace: Example Ltd (production)
Signed in as: ops@example.com
Sending domain: mail.example.com
Message ID: from the API response or Message activity
Recipient: jane@example.org
Time (UTC): 2026-10-12 14:05–14:20
Error: 550 5.1.1 <jane@example.org>: Recipient
address rejected
What happened: Password-reset emails to example.org
have bounced since 14:05 UTC.Never send secrets. Don’t include passwords, full API keys, SMTP passwords, webhook signing secrets or card numbers in a ticket, chat or email. If we need to identify a key or credential, its name is enough.
Guides for the questions we’re asked most often.
Everything you need to connect through the API or SMTP.
OpenSending with POST /api/v1/messages and pp_live_ API keys.
Opensmtp.sendaxon.net on ports 587 and 465, with SMTP AUTH.
OpenPublishing and verifying SPF, DKIM and DMARC records.
OpenReceiving signed delivery events in your application.
OpenWhat each delivery event means.
OpenWhy a recipient was skipped, and how suppressions work.
OpenHow we announce incidents and planned maintenance.
OpenPlans, sending limits and billing in US dollars.
OpenEvery plan can use the AI assistant, live chat, the help desk and our guides. Paid plans add email support, and our highest-volume plans add priority support.
| Plans | Support included |
|---|---|
| Spark, Launch and Starter (free) | SendAxion AI assistant, live chat, help desk and developer guides |
| Surge, Momentum and Growth | Everything above, plus email support |
| Velocity, Accelerate and Business | Everything above, plus priority support: your requests are prioritized in our queue |
Sending more than 1,000,000 emails a month? Talk to us about a plan built around your volume. See all plans on the pricing page.
Use the host smtp.sendaxon.net with port 587 (STARTTLS) or port 465 (SSL/TLS), and sign in with SMTP AUTH (PLAIN or LOGIN) using the username and password of an SMTP credential from your dashboard. The same hostname works for transactional, marketing and combined credentials.
Publish each record exactly as the dashboard shows it, on the right host name and without extra quotes, and make sure the domain has only one SPF record. DNS changes can take a while to become visible; once they are, run verification again. If your DNS is hosted on Cloudflare, Connect Cloudflare can publish the records for you. See the sending domains guide.
Open the message in Message activity and read its event timeline, which includes the receiving server’s reply. A 4xx reply is temporary and SendAxion retries; a 5xx reply is final. After a hard bounce or a spam complaint the address is suppressed, so later messages to it are skipped. If the reply mentions spam, policy or authentication, check your SPF, DKIM and DMARC records, then open a ticket with the message ID.
Owners and admins can change plans in Settings → Account → Plan and add-ons. Paid plans renew monthly on your saved card. To stop renewal, remove the card in Settings → Account → Billing; your plan then ends at the close of the period you’ve paid for. Payments made with Paystack cover one month and don’t renew.
Owners and admins can request a data export or the closure of the workspace in Settings → Account → Data & privacy. You can also write to privacy@sendaxion.com.
Email abuse@sendaxion.com with the full message, including its headers (“Show original” or “View source” in most email apps), and the date you received it.
Spam, phishing or other abuse sent through SendAxion. Include the full message headers.
Access, correction, export and deletion requests about personal data.
Contracts, the Data Processing Addendum and other legal matters.
Volumes above 1,000,000 emails a month, or dedicated infrastructure planning.