Top Deliverability’s Blog
Spam Resource: UPC/Vodafone Dead Domains in Hungary
Al Iverson just shared another interesting write-up on Spam Resource:
As part of UPC’s sale of various assets to Vodafone, I am reliably informed that the domains upcmail.hu, chello.hu, and monornet.hu no longer host email users and should be considered retired. As of this writing, all still have MX records, but any attempts to mail those users will results in “550 5.1.1 MXIN501” errors.Thanks to Mailkit’s Jakub Olexa for this information!
Read more: UPC/Vodafone Dead Domains in Hungary
The most comprehensive “Handbook of Email Service Providers“!
All SpamAssassin rules in one place, EXPLAINED!
Check the DNS records of your domain with our free DNS tool.
The most comprehensive Email Deliverability and Marketing Glossary!