A resolvable HELO hostname is necessary for sending emails to Zendesk because it helps verify the identity of your SMTP server.
The HELO hostname should belong to your domain and match an MX record. This ensures that your server is recognized and trusted by Zendesk, reducing the risk of your emails being flagged as suspicious or spam.
To ensure your email server is trusted by Zendesk, you need to follow several best practices. These include setting up a PTR record for your SMTP servers, using a resolvable HELO hostname, and having valid SPF, DMARC, and DKIM records. A PTR record…
A PTR record, or Pointer record, is crucial for verifying the connection between your IP address and domain when sending emails to Zendesk. Having a PTR record ensures that your IP address is associated with your domain, which increases trust and…
SPF, DMARC, and DKIM records are essential for improving email security when interacting with Zendesk. These records help authenticate your emails, reducing the risk of spoofing and spam. SPF specifies which IP addresses can send emails on behalf…
While it's not recommended, you can use web forms or scripts to send emails to Zendesk if you follow specific guidelines. Ensure your web forms require authentication or use CAPTCHA to prevent spam. Emails should be correctly formatted with proper…
Zendesk does not trust emails that lack proper authentication or use invalid domain information. Emails without an authorizing SPF record, with a spoofed sender address, invalid DKIM signature, or failed SPF check are not trusted. Additionally,…