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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Mike Campbell commented
This has been on here since 2014. By the time this gets implemented traditional email may be obsolete.
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Timo Zigsen commented
+1
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Daniel commented
+1
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mathz commented
This is without a doubt the most important mail-related feature to implement in Plesk.
+1 ! -
Alston commented
we need postfix relayhost to AWS SES since ec2's smtp port is blocked (or restricted)
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JeffK commented
+1! Agreed!!!
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rogelio hernandez garcia commented
Yes, I agree
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Suryahadi Eko Hanggoro commented
Yes, i agree. Cause my server and my ISP is blocked port 25.
Please add this feature in next release. Thanks. -
Mitchell van Bijleveld commented
Plesk should definitely add the possibility to use an external SMTP Server / Relay.
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Luis Zubeldia commented
+10000000000000000
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Ali commented
This feature will be great to work with external mail gateways on customer basis
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Anonymous commented
anyone can suggest HOW to use external SMTPS server to send verified mail (for example gmail servers) ? thanks
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Marc commented
Yes pleaaaasseee add this feature. We need it to!!
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Anonymous commented
This feature is must have, considering there's no outgoing spam filtering.
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Mitchell commented
AY, Please consider implementing this feature asap. It is really a must have to relay over external outgoing spamfilter services. Any shared hosting server without this feature will get blacklisted in no-time.
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Anonymous commented
Pls implemente it... this feature is very important. Thank you.
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Anonymous commented
Please implement this feature. It would be a great help to us MSPs providing shared hosting/email environments for our customers.
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Tobias Gábríél Sörensson commented
https://help.comodo.com/topic-157-1-288-4540-.html will tell you how to add smart host for individual or whole email server
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Leah commented
How is this still not implemented?
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eikman2k commented
this would be great, new Law´s in germany wan´t you to Archiving your mails in a special way, and for this you will need this!