t-online
T-Online is the email service of Deutsche Telekom, one of Germany's largest telecommunications providers. It offers both free and paid email accounts, featuring webmail access, POP3/IMAP support, spam and virus protection, and integration with Telekom's MagentaCloud storage.
Domains
t-online.de
Codes
- 550↑
550 5.7.0 Message considered as spam or virus, rejected
Your message has been rejected due to spam or virus classification. If you believe this is incorrect, please report the above error codes to FPR@RX.T-ONLINE.DE so we can investigate the classification. We apologize for any inconvenience and thank you for your support.