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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Matt commented
Yes
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ashar rapid commented
+1 must this feature set
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R0uter commented
Is that almost 9 years? this is really a must have function. Since the settings are already there in postfix, all you need is to expose the settings and don't overwrite them during updates.
It is really a headache to write emails back and forth to ISPs like AWS to open the 25 port. And they never give you useful responses to let u know why you got refused. :(
If we had this choice, why do we still need to beg them for a port open?
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Kevin M commented
Disturbing this has not been implemented! 99% of ALL ISPs block port 25 from being sent from any service but their own! Maybe I am just spoiled with cPanel who dont feel like hand holding and give me the ability to setup whatever ports I want, but this should not just be an option, it should have ALWAYS been in the settings!
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Rafael commented
Changing relayhost option in Postfix will not be overwritten by Plesk.
Information gathered from Plesk ticket 402990, where an support team leader discussed this with the R & D team. In fact Plesk does only overwrite settings, which can be set via Plesk like smtp_bind_address:Manual change of this setting will be overwritten by Plesk, because it can be managed directly from Plesk. You may change the IP address from Tools & Settings > Mail server settings > Outgoing mail mode > Send from the specified IP addresses. The selected IP will be written by Plesk into postfix configuration.
The kb article [1], which links to this uservoice entry will be updated or removed completly.
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Martin C-R commented
Andoni Jareño that only is a temp solution under windows only sadly
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Andoni Jareño commented
Hi,
if you use MailEnable as mailserver with plesk, you can choose Smarthost per postoffice, tested with mailenable profesional 10.42 and two postoffice/domain with different 365 tenants.
FYI if can help somebody.
Regards, AJ. -
Anonymous commented
We want SMTP RELAY to be able to work together with POSTFIX
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FutureX commented
This is a critical feature. My VPS is on GoDaddy and they require outgoing mail to go through their relay server. I'm using ISP Config (which is an open source hosting manager) on another VPS server through GoDaddy and it has relay host setup built in so I just assumed it was a normal feature. Without it neither I nor any of my clients can send emails unless I dig into the Postfix config and risk it getting broken on every update.
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Raphael commented
This is one feature required for people like me who are hosting on DO. I have been going round and round trying to successfully deliver emails without much success.
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André Schoppe commented
+1
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Javier Aszerman commented
+1
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Ewan McNab commented
With various providers now blocking emails from servers within IP blocks typically used by hosting providers for VPS/Cloud servers having the option to specify smtp smarthosts (ideally on a per domain level) is becoming more important.
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John Shiells commented
this is another one of those things that really bugs me... this topic was started in 2014.. it is literally ONE LINE in the postfix config
relayhost=some FQDN or IP.
why does this stuff take years to add when its in high demand.
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Guiliano Sfalcin commented
+1
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Epictrim commented
+1
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Memescape commented
Definitely a +1 for this.
Being able to relay to an external SMTP is needed for users who provide hosting services on platforms like Digital Ocean. DO only support one rDNS record so in a shared hosting environment where many domains share a single IP, some mail providers flag email send from the domains as spam because the domain name lookup does not match the reverse lookup for the IP. As such, it's essential to be able to route through a 3rd-party (like Amazon SES, SendGrid, Mailgun, etc.).
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SilvioK commented
+1
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Dimitris Dimou commented
Nice to have this options +1
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suplesk commented
# in the backend: option to set at least one smarthost, ideally more, for failover, and perhaps with hourly, minute, daily limits
# in user frontend: option (enforcable) for each user to set their smarthost(s), also with limits per hour/minute/day
# option to disable all email for clients except forwarders, which should be confirmed by link click
# all of the above will help reduce spam and help to derisk server mgmt since IPs are far less in danger
# please implement yesterday ;)