Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.

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Legacy versus MTA

Cameron Robitaille

 Hello:

I have some listings of the differences between MTA and legacy but does any one have a definitive list of what is lost in using legacy versus MTA?  So far I have seen:

 

MTA

- provides a spooler should the mail server become unavailable

- does some extra SPAM checks (which ones?)

 

Legacy

- transparently sits between outside and inside

 

Can anyone fill in the blanks for me on this?  I inquired with Sophos and they have no official documentation on the differences between the two modes which is a failing in my mind.

 

Thanks!



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    The big one for us was that Legacy doesn't have the daily spam digest email where users can click a link in a report and instantly release their quarantined email. MTA is a proper anti-spam solution not just a mail proxy. Where-as legacy is just a glorified NAT rule passing everything to exchange.

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    The big one for us was that Legacy doesn't have the daily spam digest email where users can click a link in a report and instantly release their quarantined email. MTA is a proper anti-spam solution not just a mail proxy. Where-as legacy is just a glorified NAT rule passing everything to exchange.

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