Contact form

This form is intended only for bulk e-mail senders with an external domain. If you are the owner of a or address and have problems receiving or sending e-mails, please contact our customer support or call MyService.

Typical causes for problems when sending to or addresses are:

  • Use of sender IP addresses that have been misused in the past for sending spam
  • Use of recipient lists that contain non-existent addresses or spam traps

Error Message

Contact details

Please enter the contact information of a technical contact person.

Technical information

If other addresses are affected, please also specify the network range in the comment field in the form or

I agree that Swisscom may obtain further information regarding my support request and contact me in case of queries.