Telekom blocks e-mail dispatch via most web hosters

You have an address at a webhosting company, .which operates your own email server and cannot send emails via your Telekom connection? Then most likely there is no technical defect of the webhoster, but you are a victim of the paternalism of your internet provider. The Telekom prevents the sending of e-mails via most e-mail servers that do not belong to the Telekom or [...]