Tucows is primarily a domain registration and hosting company. They do provide mail service for their customers.
Delivering to tucows
There is very little information available about delivering to domains hosted by Tucows.
Important links and references
Postmaster pages
Tucows does not provide postmaster pages.
Feedback loop
Tucows does provide a FBL administered by Return Path. Applications are accepted at the Tucows FBL signup page.
Whitelist
Tucows does not offer a whitelist for senders.
Certification Services
Tucows uses the Return Path Certified whitelist in mail delivery decisions. Mail from IPs on the Return Path Certified list will see better delivery at Tucows domains.
Support for Senders
Tucows does not provide any support for senders.
Known spamfilters
Tucows has not published any information about commercial spamfilters they may use.
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