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rb:eximconfig [11/07/2019 16:18]
andrew created
rb:eximconfig [11/07/2019 16:20]
andrew
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 Exim handles it's mail with a combination of Access Control Lists (ACL'​s),​ Routers and Transports. The drawing below outlines this:- Exim handles it's mail with a combination of Access Control Lists (ACL'​s),​ Routers and Transports. The drawing below outlines this:-
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 {{:​tech:​exim-routertransport.gif |}} An incoming mail is subjected to ACL checks to test if the MTA can handle the mail, for an internet mail server, incoming mail will be checked to see if forward and reverse DNS agree, if the sending server name matches it's PTR, and also checks can be done to see if the sending server is blacklisted in someway. If so, mail is declined at the point. As no mail has been accepted these is no problem with undeliverable mail left on the system or backscatter. \\ {{:​tech:​exim-routertransport.gif |}} An incoming mail is subjected to ACL checks to test if the MTA can handle the mail, for an internet mail server, incoming mail will be checked to see if forward and reverse DNS agree, if the sending server name matches it's PTR, and also checks can be done to see if the sending server is blacklisted in someway. If so, mail is declined at the point. As no mail has been accepted these is no problem with undeliverable mail left on the system or backscatter. \\

rb/eximconfig.txt ยท Last modified: 11/07/2019 16:20 by andrew