The server configuration of email, including POP3, SMTP, IMAP, and popular server software packages that control email.

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70 views

How can I use Exim4 to forward email for root to another email address?

I am trying to forward system email (from apt, cron, etc.) addressed to "root" to my personal email address using a smarthost. I am using Debian 9. First, I ran sudo dpkg-reconfigure exim4-config. ...
2
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2answers
32 views

Creating spf record for a multidomain email server [duplicate]

I have a email server (iRedmail on Ubuntu) where I host my personal domain, and several other domains. Despite the fact that non of the domains spam, somehow, MXtoolbox tells me my server is on the ...
3
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1answer
69 views

Certain SC Orchestrator Send E-Mail activities are sending 2 emails

Also posted this on TechNet but barking up this tree too just in case. Not really sure what's going on here, but I have certain System Center Orchestrator (2012 R2) Runbooks that are sending multiple ...
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1answer
37 views

Sending mail from vps that receives forwarder trafic from another provider

Currently, I utilize two hosting providers: one has shared hosting and here I registered domains, another has one vps server. I redirect requests to my.site.com from shared server to vps using record ...
7
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2answers
211 views

Adding an SPF record for a 3rd party, but don't have one for my own domain

We have a 3rd party service sending some email on our behalf. They are using our domain name in their outgoing emails. They have requested we configure an SPF record for them. We do not currently ...
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0answers
22 views

CentOS 6.6 rogue mail process? Server sending spam [duplicate]

Our server has been recently compromised and was sending spam emails. We've found the php scripts responsible, eliminated them, and updated the postfix configuration. Problem is that when we ran the ...
2
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1answer
59 views

sendmail cant send mail - Centos6/7

I have a newly minted CentOS 6.7 box to set up sendmail on. It seems sending email but not really, no idea whats the issue could be. What I did: yum install sendmail sendmail-cf sendmail-doc ...
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1answer
90 views

Sendmail adds X-Authentication-Warning for trusted users?

So, I've digged through tons of articles and answers to configure sendmail on Ubuntu 12.04 correctly but still my emails are being flagged with X-Authentication-Warning header by sendmail: ...
2
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1answer
104 views

Getting mailman3 to play nicely with postfix and dovecot

I am playing around with mailman3 and I've happened upon this problem: mailman3, the web interface as well as hyperkitty have been installed using mailman-bundler. I have added the prescribed postfix ...
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0answers
38 views

Email validation fails on HELO / RCPT TO commands to records

I'm migrating a mailing service from a server to another. Before setting up new mailing list I wanted to process it through an email validtor I've setting up on the server. I basically used this tool ...
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3answers
31 views

Should I set up outbound email server for each app server, or one central one?

My web application has to send emails, and it's hosted on multiple physical servers. Using a third-party service is not an option, so I'm installing postfix (or maybe sendmail). Is it more common ...
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1answer
75 views

Send me mail on rsnapshot fail

I am using rsnapshot for daily/weekly backups which are triggered by anacron, that works nice. However instead of checking the logs by hand, I would like to receive a mail whenever a backup failed. ...
0
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1answer
49 views

Are SPF records for subdomains valid for the parent domain?

I used to think that SPF records for subdomains were completely independent from the parent domain. I'm trying out a domain email service provider that advises: Using a subdomain you will still ...
0
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1answer
57 views

Inbound email being bounced back from Google Apps for your Domain: 550

I have a simple cpanel-administered www hosting account (wherebarney.com), and for well over a year I've used Google Apps for your Domain to handle the email, using gmail. Recently the majority of ...
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1answer
36 views

Required Mailboxes

Regarding this answer http://serverfault.com/a/134814 What are the minimal mailboxes required for a domain? Currently I only specify these mailboxes: root@ webmaster@ postmaster@ admin@ domain@ ...
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0answers
17 views

Jboss 5.01 GA on Linux : Encoding issues when sending mails

I am working on Jboss 5.01 GA on linux. I am sending an e-mail containing special characters encoded in html number through Jboss. and I got this : However this mail when send it through tomcat in ...
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1answer
78 views

postfix outgoing emails go to SPAM in gmail and hotmail

I really going in madness, i working during days installing postfix and dovecot, and DKIM, and reconfure my DNS, but my outgoing emails allways go to SPAM inbox. I try some email checkers, and "all ...
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0answers
63 views

How long should a mail server wait for the initial TCP connect to a remote server?

From what I can tell, the RFC's only specify that you should wait for the initial response for 5 minutes. But I can't find anywhere where it says how long to wait for the TCP connection to be setup. ...
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2answers
43 views

SMTP slowness on Ubuntu

I'm using a Linux client machine, connecting to a 3rd party external mail server. The mail server takes extremely long to respond when I try sending mail. To debug this, I installed the mailx basic ...
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3answers
126 views

Improving email deliverability: Implementing DKIM and DMARC

I have a messaging system on my app where users can send messages directly to other users straight from my domain (not going through Mailchimp's Mandrill templates or Google Apps). I also have cron ...
1
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2answers
90 views

I recently changed my hosting and now I can only send emails and not receive using GMail [closed]

I have a domain name (emmasteed.co.uk) that I have hosted with UK Reg and I recently moved my hosting to GoDaddy. I have an email that I have used for a few years now: emma@emmasteed.co.uk. When I ...
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1answer
22 views

conditional rewrite of mail from matching recipient domain in postfix

In postfix I want to create a (so to speak) rewrite rule to rewrite the "mail from" - field matching one specific from-address "mail@localdomain.com" to "myrealaccount@aol.com" (for use with aol ...
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1answer
38 views

Conditional use of relay(smarthost) for recipient domains matched by header_checks in postfix

On a postfix mailserver, which is configured to generally send mail directly (internet-site), I want to implement a conditional header check for some receipient domains (in this example to keep it ...
0
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1answer
23 views

sendmail: complains about “Group writable directory” when that is not the case?

I can't start my sendmail service due to Group writable directory errors: $ service sendmail start Starting sendmail: 451 4.0.0 /etc/mail/sendmail.cf: line 87: fileclass: cannot open ...
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2answers
25 views

Postfix rewrite recipient based on domain

I'm looking for a postfix configuration to create recipient rewrite rules based on the recipient domain name including catch all for domains not found in the "not rewrite"-list. For example: ...
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3answers
34 views

Do I need specific IP addresses to configure SPF for a site hosted by AWS?

I noticed when our application sends an email to a user, it goes to spam. I did some research and tested the SPF record for our domain and subdomain. No SPF record was detected. When I brought this ...
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1answer
29 views

remove emails in queue (only from specific sender)

There's almost 50k mails in my queue when i type "exim -bpc". I need to clean the mess ASAP before i get blacklisted by gmail, as these mails are being forwarded to my personnal gmail account. How ...
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2answers
54 views

Postfix, carbon copy forwarded email

Basically this is the setup I am currently using: virtual_alias_maps x1 x2 recipient_bcc_maps x2 x3 When I send an e-mail to x1, I expect it to be forwarded to x2, and then copied to x3, but ...
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0answers
25 views

Mail spoofing or server infected

Today I received this email in my inbox. 2 IP appear in "FROM" in the body email. One of them is IP of my hosting provider. But is not the IP of my website neither from I send emails . it might be ...
6
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1answer
98 views

How can I use Postfix to track/log the HELO name that IPs are communicating to it with

I am using Postfix as an internal mail relay server, and we have several servers internally running all sorts of custom code, some are packages/services, and some of it is native Linux or Windows ...
0
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1answer
114 views

Amazon SES and EC2 instance in different regions

We need to send transactional emails from our e-commerce website hosted on an EC2 instance. Our regular email service is hosted by Google. The problem is that we are based in Asia-Pacific region ...
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1answer
32 views

Newsletter emails sending rate drastically decreases after moving EC2 and RDS servers

We have been using AWS services in the North Virginia region for some years now. As most of our customers are in Asia, we wanted to move our servers to the Singapore region for lower latency. We moved ...
9
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1answer
137 views

Postfix emails detected as spam with gmail [duplicate]

I know that there are a few posts about this and I have been reading them for a while now but still, I can't resolve my issue. I’m running ISPconfig with postfix and I can’t figure out why my ...
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0answers
15 views

Forward email for ONE user to another SMTP server [duplicate]

I have a postfix server that takes email for example.com and uses an alias table to redirect mail to several personal gmail accounts. Recently we were asked to test a new email provider. This email ...
2
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4answers
236 views

Email notification when automatic service is not started (Windows Server 2012 R2)

We have a few servers (Windows Server 2012 R2) in our environment that install updates automatically and restart after that. After the restart we would like to check the status of all the (Windows) ...
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0answers
18 views

How to find source of spamming knowing the spam mail header? [duplicate]

Context: I have a Dedicated Server hosted on Digital Ocean, called as "Droplet" and then, on it i have installed CentOS 6, and my mailing server is using EXIM. Problem: I am having spam issues on ...
0
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1answer
36 views

Sendmail doesn't use aliases

I'm trying to forward emails sent from the host to root to address admin@test.com. I've checked that alias file is being read: [root@localhost etc]# sendmail -d27.2 -bv root alias(root) root (, ...
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1answer
21 views

Exchange server sends email even when bad credentials supplied

From a PC on our domain, our Excahnge server allows me to send email without providing username/password credentials using a program I wrote in C#. More interestingly, if I supply bad credentials ...
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0answers
59 views

How to change the name of root when sending mail

I would like mail sent from root to be sent as HOSTNAME <noreply@example.com>. On my outgoing-only servers that run exim4, I simply modify the file /etc/passwd and change the name of root to ...
1
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1answer
29 views

Using different MailServer for special Users in the same domain

I'm new to this topic, so please have forbearance, if this is a dumb question. At the Moment, we use GMail for all Mailaddresses. To save some money, the idea is, to use an own mailserver for the ...
3
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3answers
94 views

Mail forwarding server [closed]

Is there any way I can "relay" mail traffic? To explain better, lets say the server that will relay the mail is 10.0.0.1, and the proper mail server containing the mail is Gmail, is there any way I ...
0
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2answers
45 views

One public contact email, more than one customer service representative? [closed]

I'm working on a website for a client and we need to put contact info on the site. In their case, they have two people who will respond to customer inquiries. Instead of putting both of their emails ...
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1answer
43 views

Mail and Webserver on single Host, Reverse DNS not matching

I have a vServer from Server4You and installed a mailserver with postfix, dovecot and slapd for authentification, my problem is: All the emails send from the server to outlook or gmail land in the ...
3
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2answers
68 views

Sending mail from command line on Linux is giving different results with the domain on two different servers

I have configured Postfix, as well all of the appropriate server files to be the same on two different servers. These were configured at different times - but the files and settings match up, so ...
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2answers
70 views

What are the implications of inserting a DKIM record for a third party sending email on our behalf?

Our organization is setting up an account with a third party cloud service that will be sending emails on our behalf. Our marketing department would like to eliminate the "via" or "on behalf of" bits ...
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1answer
164 views

EXIM: Relay to Office 365

I'm trying to configure exim to relay mails via an Office 365 account. I can find quite a few examples of doing this via postfix but almost none on exim. Is this at all possible? The idea is to have ...
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3answers
72 views

Exchange 2013 Account experiencing weird longterm bouncing issue

We recently migrated one of our clients to Exchange 2013 from Google Apps, since the migration a single user has been experiencing inexplicable bounces emails and calendar updates. Some of the ...
2
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1answer
186 views

Exim not always sending AUTH LOGIN username/password

We are sending mail using exim (configured through WHM). With the same exact configuration, seemingly most of the time exim sends the correct AUTH LOGIN username and password, however sometimes it is ...
0
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1answer
42 views

DKIM is not Failing When Messages Come From Another Domain

Somebody sent out spam messages with a forged From: address, so that the messages appeared to come from us. The headers clearly show otherwise. We have DKIM and SPF set up. The problem is that in the ...
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1answer
65 views

Redmine: Unable to get gmail email notification to work

I've recently installed Redmine in an Amazon EC2 instance and it seems to be working fine, however, I can't figure out how to set email notifications. Redmine documentation is pretty outdated and ...