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X.3.XXX Mail System Status. X.4.XXX Network and Routing Status. X.5.XXX Mail Delivery Protocol Status. X.6.XXX Message Content or Media Status. X.7.XXX Security or Policy Status. The meaning of the "detail" field depends on the class and the subject, and are listed in RFC 3463 and RFC 5248 . A server capable of replying with an Enhanced Status ...
The reason that it was bounced (e.g. user unknown or mailbox full), The headers of the bounced message, and; Some or all of the content of the bounced message. RFC 3463 describes the codes used to indicate the bounce reason. Common codes are 5.1.1 (Unknown user), 5.2.2 (Mailbox full) and 5.7.1 (Rejected by security policy/mail filter).
The most common reason for a failed delivery is that the email address entered isn't valid. If the delivery failure message says the account doesn't exist double check the spelling of the address you entered. A single misplaced letter could cause a delivery failure. If the message keeps getting bounced back, make sure the account is closed or ...
An autoresponder is a computer program that automatically answers e-mail sent to it. [ 1] They can be very simple or quite complex. The first autoresponders were created within mail transfer agents that found they could not deliver an e-mail to a given address. These create bounce messages such as "your e-mail could not be delivered because ...
The British Empire (red) and Mongol Empire (blue) were the largest and second-largest empires in history, respectively. The precise extent of the Mongol Empire at its greatest territorial expansion is a matter of debate among scholars.
Ekranoplan A-90 Orlyonok. A ground-effect vehicle (GEV), also called a wing-in-ground-effect (WIG), ground-effect craft, wingship, flarecraft or ekranoplan (Russian: экранопла́н – "screenglider"), is a vehicle that is able to move over the surface by gaining support from the reactions of the air against the surface of the earth or water.
The Ford Ranger (T6) is a range of mid-size pickup trucks manufactured and sold by Ford Motor Company since 2011. The T6 consolidated worldwide production of the Ranger onto a single model range, replacing both the 1998–2012 Ranger marketed in North America and South America and the Mazda-derived Ranger sold in Asia-Pacific, Europe and several Latin American markets.
Nigeria, [a] officially the Federal Republic of Nigeria, is a country in West Africa. [9] It is situated between the Sahel to the north and the Gulf of Guinea to the south in the Atlantic Ocean.