How to Send SMS to Spain (Rules & Deliverability)

Sending to Spain? Local rules decide whether your messages arrive.

The rules in Spain

Spain applies GDPR and LSSI rules requiring prior consent and clear sender identification.

How to stay compliant and deliverable

• Get explicit consent and honor opt-out.
• Register sender IDs and templates where required.
• Use approved A2P routes, not grey routes.

How Rainmail helps

Rainmail sends from your own domain on a dedicated, isolated IP with SPF, DKIM, DMARC, reverse-DNS and managed warm-up handled for you, plus an AI that watches your list health and deliverability — and it welcomes the senders Amazon SES, SendGrid and Mailchimp reject, from $8. Run the free 10-second checker or see plans.