Questions tagged [email-server]

Refers to the hardware or software that make up a server dedicated to sending and receiving emails. Many popular modern email servers bundle other functionality for contacts and calendaring along email delivery.

Refers to the hardware or software that make up a server dedicated to sending and receiving emails. Many popular modern email servers bundle other functionality for contacts and calendaring along email delivery.

A list of mail servers can be found on Wikipedia, though sendmail, Microsoft Exchange Server, Postfix, and Exim are the most popular email servers, which together control over 85% of market share for SMTP service.

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OpenDKIM not signing outgoing mail

I'm trying to setup OpenDKIM on my mailserver running Debian and Postfix. This is the configuration I've done: Generated two keys (for two domains I need to send mail for) Configured KeyTable, SigningTable and TrustedHosts…
Compizfox
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What settings should my email server be mindful of to avoid bounce back from major email providers?

So I think my postfix+dovecot+roundcube+postfixadmin+sasl+spamassassin+amavisd-new+postgrey setup is working correctly. I can send out emails to certain domain names. Receiving definitely works; however, when i send out emails to hotmail for…
Parris
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Is setting up my own SMTP server to send email a waste of time with regards to deliverability?

I have a dedicated host serving a few domains I manage. I host my own email and IMAP server. The server is at buildoneforme.com with IP address 144.76.81.247. I think reverse DNS is working: $ host 144.76.81.247 247.81.76.144.in-addr.arpa domain…
user7406
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Is it possible to receive inbound emails using Mandrill?

I am using Mandrill mail server for sending emails to users and I have my own domain added to Mandrill to send out mails. Suppose I have configured Mandrill to use info@mydomain.com to send out emails and then it should send mails which it does. And…
RoR
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postfix[error] :Sender address rejected: User unknown in virtual mailbox table

I install an application, that it needed smtp information for sending mail, I provide smtp user, password and host for that application, but when it tried to send mail this error had occurred in the application: "SMTPRecipientsRefused:…
Arash Mousavi
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I need advices: small memory footprint linux mail server with spam filtering

I have a VPS which is originally destined to be a webserver but some minimal mail capabilities are needed to be deployed as well, including sending and receiving as standalone server. The current setup is the following: Postfix reveices the mail,…
petermolnar
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How can email be resent that has been delivered to the Badmail folder in IIS?

We have IIS setup as an SMTP relay. A relay security error caused the outbound emails to be dropped to the badmail folder for the IIS SMTP Service. Is there any standard method for attempting to retry delivery of these emails?
catalpa
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How to setup a email address for a domain on Amazon EC2?

I am not used to cloud hosting. Previously I would just setup an email account through cPanel, but since this is not available how would I go about doing this on a Amazon EC2 account? I am assuming I need a email server running? I installed…
John
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how to send a copy to another email address of all incoming messages from an email account?(postfix)

how to send a copy to another email address of all incoming messages from an email account?(postfix) it's possible? thx.
Mrsksdk
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Setting up an Email Server on Ubuntu

What are some of the Dos and Don't to setting up an email server on Ubuntu? Are there any gotcha's?
cgreeno
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suppress blank emails

How do I suppress blank emails? FOr e.g. in the following example, I will like to some command | mail -s "tables altered on `hostname`" me@company.com I get the following message "after" sending the message: Null message body; hope that's ok This…
shantanuo
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How to check if dovecot's configuration is valid? (config file syntax)

Is there a command that I can issue that will tell me if the current set of config files for dovecot are valid or if there's an issue? I just made a change to my dovecot config files. Before attempting to restart the service, I just want to do a…
Michael Altfield
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Postfix pipe always runs as nobody

The problem I would like postfix to pipe emails to a script that operates on files owned by the www-data group located under /var/www/. However, I receive error messages that indicate insufficient privileges. By letting the script run whoami, I can…
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When the Exchange Information Store Service stops, what's impacted?

My company recently experienced an email outage that impacted a majority of our users. My exchange team is telling me they can't find a root cause, yet when I pulled the system logs I can see the Information Store service stop and restart itself 4…
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postfix/postfix-script: fatal: the Postfix mail system is not running

I am running a fresh installation of macOS 10.12.1 with Server app 5.2. With or without mail service activate, i am unable to use postfix in command line. I am always getting this error when i try to reload postfix: postfix/postfix-script: fatal:…
marafado88
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