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— | faq:email09 [2011/04/30 17:09] (current) – created clemens | ||
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+ | [09] WHY IS INCOMING EMAIL SOMETIMES DELAYED? WHERE IS MY MAIL? | ||
+ | SDF has used UUCP (UNIX to UNIX CoPy) to transfer both incoming | ||
+ | and outgoing mail since the late 1980s. | ||
+ | a 'Store and Forward' | ||
+ | |||
+ | SDF does receive email directly using SMTP, but at the same | ||
+ | time also uses a secondary host which queues up email via UUCP | ||
+ | for pick up each hour via ' | ||
+ | | ||
+ | you have to wait a bit. This also means that if for some reason | ||
+ | the primary SMTP server at SDF is down, offline for maintenance | ||
+ | or on fire, email will still be written to an SDF UUCP queue for | ||
+ | | ||
+ | SMTP queue where it may be deleted or returned. | ||
+ | |||
+ | All SDF hosted email domains use the SMTP primary and UUCP secondary | ||
+ | MX (Mail eXchanger) method with the except of VHOSTed domains which | ||
+ | have the option to use the UUCP secondary via ' | ||
+ | </ | ||
+ | |||
+ | [[email|back]] |