Intermediary
Intermediary
- April 21, 2021
- Posted by: Nicola Selenu

Any operator or service that handles an email message it receives from one ADMD and passes on to another ADMD for delivery. An intermediary may make changes to the message before passing it on, which might range from trivial header manipulation to wholesale reformatting of the message.
Author:Nicola Selenu
Email Service Providers Handbook
The most comprehensive “Handbook of Email Service Providers“!
SPAMASSASSIN RULES
All SpamAssassin rules in one place, EXPLAINED!
SMTP COMMANDS
& REPLY CODES
All SMTP/ESMTP commands and reply codes in one place, EXPLAINED!
Free DNS Tool
Check the DNS records of your domain with our free DNS tool.
Deliverability Glossary
The most comprehensive Email Deliverability and Marketing Glossary!
Intermediary
Any operator or service that handles an email message it receives from one ADMD and passes on to another ADMD for delivery. An intermediary may make changes to the message before passing it on, which might range from trivial header manipulation to wholesale reformatting of the message.
« Back to Glossary IndexAuthor:Nicola Selenu
Email Service Providers Handbook
The most comprehensive “Handbook of Email Service Providers“!
SPAMASSASSIN RULES
All SpamAssassin rules in one place, EXPLAINED!
SMTP COMMANDS
& REPLY CODES
All SMTP/ESMTP commands and reply codes in one place, EXPLAINED!
Free DNS Tool
Check the DNS records of your domain with our free DNS tool.
Deliverability Glossary
The most comprehensive Email Deliverability and Marketing Glossary!
« Back to Glossary Index