4 ms·
Are you using IPv6 or IPv4 to send the emails? DigitalOcean apparently blocks port 25 outbound IPv6 access because whole ranges are getting blocked.
by Kaveren 7y ago
Are you using IPv6 or IPv4 to send the emails? DigitalOcean apparently blocks port 25 outbound IPv6 access because whole ranges are getting blocked.
- acidburnNSA 7y agoI'm doing IPv4. The discussion is here: https://www.digitalocean.com/community/questions/is-anybody-else-having-issues-with-delivering-mail-to-charter-net https://www.digitalocean.com/community/questions/is-anybody-...