Troubleshooting

Discussion List

• API calls stopped working after migrating Sendy to another server

  Resolved 49 views 2 comments 0 points Most recent by Ben January 19
• Error 500 on opening subscription form.

  Resolved 29 views 2 comments 0 points Most recent by Ben January 17
• Help with DMARC authentication

  Resolved 50 views 2 comments 0 points Most recent by Ben January 16
• CSV import returns malformed records due to foreign characters

  Resolved 30 views 2 comments 0 points Most recent by Ben January 15
• Change domain and file not found

  Resolved 43 views 2 comments 0 points Most recent by Ben November 2025
• Custom domain shows 404 error

  Resolved 57 views 2 comments 0 points Most recent by Ben September 2025
• Campaign not sending mails. showing to zero subscribers.

  Resolved 89 views 2 comments 0 points Most recent by Ben September 2025
• Unable to toggle light / dark mode

  Resolved 35 views 2 comments 0 points Most recent by Ben August 2025
• Sendy displayed with CSS stripped off

  Resolved 59 views 2 comments 0 points Most recent by Ben August 2025
• CSV import at 0%

  Resolved 79 views 2 comments 0 points Most recent by Ben August 2025
• Can't add username for Oracle SMTP

  Resolved 75 views 2 comments 0 points Most recent by Ben June 2025
• API returning 'No data passed' in Postman

  Resolved 72 views 3 comments 0 points Most recent by Grafitec June 2025
• Campaign is not sending

  Resolved 192 views 2 comments 0 points Most recent by Ben May 2025
• Moving Sendy to subdomain

  Resolved 283 views 2 comments 0 points Most recent by Ben May 2025
• Forbidden error after clicking 'Save and next'

  Resolved 63 views 2 comments 0 points Most recent by Ben May 2025
• Campaign says sent, but no emails delivered via SMTP

  Resolved 131 views 2 comments 0 points Most recent by Ben May 2025
• Database error when running cron tasks

  Resolved 89 views 2 comments 0 points Most recent by Ben April 2025
• Three out of four Autoresponders working.

  Resolved 86 views 3 comments 0 points Most recent by steve_g April 2025
• Sendy isnt replacing personalization tokens?

  Resolved 74 views 2 comments 0 points Most recent by Ben April 2025
• Error "No data passed" when request HTTP POST

  Resolved 200 views 2 comments 0 points Most recent by Ben January 2025
• Forbidden (403 error) using shared hosting with hPanel (Hostinger)

  Resolved 111 views 0 comments 0 points Started by ActiveDean January 2025
• Undelivered emails with error code 0

  Resolved 436 views 3 comments 0 points Most recent by spamabi August 2024
• Sendy API - Campaign create and send - stuck in 'Preparing to send' status

  Resolved 527 views 2 comments 0 points Most recent by Ben August 2024
• Two-Factor Auth Image not showing

  Resolved 105 views 2 comments 0 points Most recent by Ben July 2024
• Autoresponder not getting sent

  Resolved 452 views 2 comments 0 points Most recent by Ben July 2024
• Trouble connecting with Zapier

  Resolved 125 views 2 comments 0 points Most recent by Ben July 2024
• Sending emails stopping every 2 minutes

  Resolved 188 views 2 comments 0 points Most recent by Ben June 2024
• We have detected that 'ONLY_FULL_GROUP_BY' is enabled in 'sql_mode' error

  Resolved 110 views 2 comments 0 points Most recent by Ben May 2024
• 404 error when moving to a different folder

  Resolved 122 views 3 comments 0 points Most recent by hydrunners May 2024
• Install will not run

  Resolved 246 views 2 comments 0 points Most recent by Ben April 2024