Smarthost/External SMTP
It would be nice to have an external SMTP (smarthost) ability for a per-domain basis (most mail services have this)
We use this for external scanning, data leak prevention and more.
Can this be be done?

Thank you for your input! We will consider this functionality in upcoming releases if it will be popular.
Everyone, please continue voting for this feature if you consider it important.
— AY
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Eike Völkel commented
So in germany we have new Law´s about archiving our mail´s, so we need to do this.
So this feature would be great!!!
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Kees commented
Since Microsoft has changed policy this is a huge gap. Lots of people cannot deliver mail anymore when on hosting providers like strato (and others).
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Renzo commented
I agree. It's a needed feature
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Bulent commented
It will be nice to have module which works as SMTP relay only for outgoing mails.
At the moment on Google Compute engine with Plesk there is no easy solution to use Plesk to send emails. -
Dennis commented
Yes please!
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Manu-K commented
Hello Plesk Staff!
Whats with this feature? seems important. You want to be the best? Then you should consider such big features :) -
DerDanilo commented
This Request has several posts and a lot more people want this feature than visible here:
https://plesk.uservoice.com/forums/184549-feature-suggestions/suggestions/16026100-smarthosting
https://plesk.uservoice.com/forums/184549-feature-suggestions/suggestions/10932849-configure-smarthostThis one here got 27 votes:
This post contains request for smarthost as well:
https://plesk.uservoice.com/forums/184549-feature-suggestions/suggestions/5951115-mail-enhancements
Similiar approach, smarthost is the answer: 37 votes
Another one, don't focus on mailpipe, just smarthost:
https://plesk.uservoice.com/forums/184549-feature-suggestions/suggestions/4452075-mailpile-support-secure-mail-server-optionAll together it should not be that difficult and timeconsuming to implement this into the GUI/DB since postfix has native support for smarthost, single one, exceptions, domainbased or even receipient based.
Local delivery should always be excluded to avoid sending loops.This should not focus on one particular service provider, but smarthost settings general.
Please bring this as default to the plesk panel and not as an Extension as this is quite useful to all of us (who understand why one needs a smarthost).
I am able to set this up via CLI, but not every user is able to do so and this isn't update/upgrade save either.
Thanks guys!
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Robb commented
Per domain would be really great!
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DerDanilo commented
This actually a very important thing to be able to do. But many Plesk users don't know what this means I guess.
Even beeing able to set a global smarthost via GUI (inkl. SMTP Access Credentials, Security Settings and Port) would help a lot.
Per Domain would be nice too! -
GLR commented
This should be a Basic Feature since most People use Commercial spam-protection These days.
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Jay Owen commented
we are starting to get requests from the field from customers who wish to use a 3rd party spam filter system. This feature would help us stay automated as each of these requests must be implemented manually on the MTA, and complicates migrations across plesk nodes, and prevents our customers from reconfiguring their setting for this themselves.
the ui should enable plesk admins and customers to set domain and mailbox-level transport rules. Our web developers are wanting to force email addresses used for web form notifications to use outgoing filtering, while also asking that some of the other addresses not be filtered (ceo, marketing addresses, etc) -
Anonymous commented
This would be a must!
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Sayyed Ali Agha Hashimi commented
This would be a must!
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Borja Pons commented
This would be a must!
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John Scheffer commented
This will be nice if Plesk can add this
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Anonymous commented
This would be very nice to have!
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Anonymous commented
I suggest that a feature is installed to configure a smarthost in the Plesk control panel the same way as can be done with cPanel.
This configuration is useful to prevent spam problems and high generation resources.
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Manu-K commented
Possibility to configure separate relay Server for specific Domains., or local / direct delivery.This is asked by customers very often in past.
Usefull if you have a smarthost for outgoing and incomming mails (Anti-Spam, -Malware, etc.). -
Anonymous commented
It can be used for more than external filters, e.g. deliver the email, AFTER scanning spam and anti4us, to e.g. an exchange server on customers location.
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Hirokazu Ito commented
I would like to request to add the function for PleskWEBUI for Enable/Disable Mail relay function from root@localhost.localdomain to registered email address.