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.

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29 views

global autoresponder google apps

We just migrate our main domain to a new one. (@olddomain.com -> @newdomain.com) Now we want that people who send emails to any account in @olddomain.com, receive automatically a message like "the ...
0
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1answer
77 views

MX records to ensure failure of email delivery

I'm managing a set of domain names that used to have MX records pointing to a hosted mail service. When the hosted email service was deactivated, emails sent to the (now invalid) addresses resulted in ...
2
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2answers
66 views

Imapsync doesn't sync unicode characters properly

I am using imapsync to migrate my e-mail account from a CPanel (courier) mailserver to a Debian/Dovecot one. The issue I am facing has to do with some folders that contain Unicode characters. For ...
2
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3answers
297 views

Gmail is Unreachable from Google Compute Engine

I have been getting network is unreachable errors every time i try to use php to mail something out. alt2.gmail-smtp-in.l.google.com [2a00:1450:4010:c03::1a] Network is unreachable ...
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1answer
63 views

How do I change the email address that Munin alerts are sending from?

The issue I'm having here is that when I get an alert from Munin, I want it to create a ticket. When the ticket it created, it sends an email back to the email address that Munin sent from each time ...
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0answers
11 views

SMESERVER: Mail not receiving, 550 v=spf1 a -all (suddenly appeared 5/21) [duplicate]

My situation is exactly the same - SMEserver 7.51 (yes I know I need to upgrade) been running for years and I get the same spf error message back just starting Wednesday afternoon(5/21). I also tried ...
0
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1answer
144 views

SMESERVER: Mail not receiving, 550 v=spf1 a -all

SMESERVER install has been working find for an age then this morning "The error that the other server returned was: 550 v=spf1 a -all", can anyone 'point' me in the right direction to resolving this ...
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2answers
356 views

How configure roundcube to work with imaps?

I recently installed Postfix, Dovecot to setup a mail server on my own VPS ( using this tutorial: Email with Postfix, Dovecot, Mysql) Imaps server uses port 993 for Authentication, and Postfix uses ...
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0answers
316 views

exim4 - Received: from localhost ([127.0.0.1] helo=localhost.localdomain) - fix to domain name

I have debian and exim configured to send email from Ruby Project, when I send notification DKMI, SPF - passed OK, but in gmail letter tagged as SPAM. I think problem in this header Received: from ...
1
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1answer
264 views

Postfix virtual domains and Cyrus for imap

I am setting up a email server on a centos box where I am using the virtual(8) delivery agent within postfix so that I dont need to create a unix user for each email address, and I have set up Cyrus ...
1
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1answer
97 views

Dovecot - Unexpected messages order after move

There is Dovecot service on the server. I had moved messages in user mailbox manually from one to another. Now I am experiencing some sorting problem on iOS device. For example: I have mail 2 days ...
1
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1answer
465 views

User login URL for newkly installed Zimbra mail server

I have managed to install Zimbra 8.0.7 on my Ubuntu 12.0.4 LTS server (I had to rebuild my machine and reinstall the OS, so that no other servers other than Zimbra are running - how to reinstall ...
0
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1answer
493 views

Sending to gmail with TLS and self signed certificate

Since many provider switched to TLS only connections, I cannot deliver to gmail anymore with a default plaintext postfix setup. My question is, can I use valid TLS / does google accept TLS with a ...
0
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0answers
66 views

postfix smarthost mixed with usage of external mailserver

In a SOHO setup I've got a mailserver with fetchmail, dovecot, roundcube and postfix running. Fetchmail fetches the mails from the isp, postfix and dovecot handle the rest. Postifx sends emails in a ...
0
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3answers
230 views

Exchange 2013 attachments too big?

I am having the toughest time sending large attachments, everywhere I have checked my file size limit for send/receive is 100mb but yet users are unable to receive files even at the size of 14mb. I'm ...
2
votes
1answer
978 views

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 ...
0
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1answer
192 views

Unable to clear sendmail mqueue-client

drwxr-xr-x 2 smmsp smmsp 4.0K May 6 23:31 mqueue drwxrws--- 2 smmsp smmsp 29M May 8 10:40 mqueue-client As you can see mqueue-client is filled with 29 megabytes of unsent mail. This seems to ...
0
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1answer
43 views

What domain to set in rDNS

I have a few different domains on a shared IP address. One of them is having trouble sending email, as certain mail servers reject the email for not having rDNS set up properly. The thing is there ...
2
votes
1answer
62 views

IMAP Email issue - Not logging in with correct password

A little while ago, my email stopped working all of a sudden. The email is hosted on a cPanel server, and it seems to be just my accounts (I have 2 different emails, on 2 domains that are both not ...
0
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0answers
23 views

How to create a mailbox on a sub-domain with Google Apps?

I would like to create a mail address (a simple mail redirect would do just fine) for foo@bar.example.com instead of foo@example.com for a system where Google Apps is in place. How could this be ...
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2answers
25 views

i keep seeing system users trying to receive email in logs for postfix

I only do email alias forwarding in /etc/postfix/virtual which doesn't have any mention of 'user1' its more "foo@mydomain.com me@gmail.com" and works fine. ==> mail.warn <== May 1 19:20:48 ...
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1answer
83 views

Overriding selected recipients using postfix

Is it possible to have some kind of regex match and replace, like it is possible for outgoing mails for incoming, too? I am already able to replace the from field for outgoings, by using the ...
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1answer
96 views

Saving email from cPanel and integrating it to postfix.

I have a shared hosting environment with cPanel installed managing all email creation, forwarding and all other tasks. But now I have moved to VPS using CentOs and already installed postfix, dovecot, ...
1
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1answer
3k views

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 ...
0
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0answers
175 views

How to configure a dovecot cluster with non-shared storage

Dovecot has a Proxy service which allows to perform load balancing between Dovecot Backend servers. And there is a Director service which makes it easy to have temporarily user -> server mapping. ...
0
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1answer
321 views

Helo command rejected: Host not found - even though i don't have configured reject_unknown_helo_hostname

My Server is sending Registration-Success-Mails to our users. Most of them arrive, but recently one E-Mail to a specific domain remains in the mailq with the following error (host ...
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1answer
226 views

Dovecot service doesn't start

I follow these steps to install a postfix/dovecot/mysql mail service: https://www.dropbox.com/s/c2q64gndb9dwpmm/Postfix__Dovecot.pdf When i need to restart a dovecot service and view "mail.log" file. ...
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1answer
53 views

Heartbleed self-test for mailserver

The internet is now inundated by sites like this: https://ssl-tools.net/heartbleed-test Which is great, but these then immediately publish the vulnerable domains. I have a number of private ...
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votes
1answer
51 views

Postfix record recipient if unable to deliver or bounced

Help would be greatly appreciated. I am not a server admin but I have been tasked with making a means of auto-removing a email recipient from the database containing a table with a list of emails, ...
-2
votes
1answer
91 views

Leaving postfix 'mydomain' & 'hostname' empty in this scenario [closed]

I have a VPS server that only deals with email hosting. This server does not have any designated domain name pointing to it. Its only one VPS with one IP address. I am running CentOS 6.5 Minimal, ...
4
votes
1answer
248 views

Mail Server Storage Backend: Filesystem VS Database

I am trying to compare mail server software to decide which to use at the ISP where I work. I'm confused mainly about which storage backend is better for such use (again, at an ISP, i.e expected large ...
10
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1answer
501 views

Benefits to having a sole email VPS server

I have around 5 websites hosted in a VPS server, and for some reason I bought another VPS server recently just to host the emails for those 5 websites. I would like to know the pros and cons of having ...
3
votes
1answer
690 views

Setting myhostname and Mydomain in postfix for mutiple domains

I have 5 domain names currently pointing to my email server, which is running CentOS 6.5 with Postfix, Dovecot installed. Although I am now only able to receive emails but not send (for reasons I ...
-2
votes
2answers
73 views

Do I need SMTP when using Postfix/Dovecot? [closed]

I have setup Postfix and Dovecot. Microsoft outlook tells me it cannot find the SMTP server. I thought dovecot would handle all the deliveries? Do I need to allow postfix to listen to external ...
0
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0answers
81 views

migrating to new server, would like to keep sending email from existing server

Hello I'm in the process of moving my site to a new host (ie new IP). I run a social site that sends a large volume of (valid) email, and I have built up a good sending reputation with my current IP ...
1
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2answers
51 views

Postfix sending and receiving in strange way.

I have an email server, running on CentOS 6.5, 32bit system, with Postfix and Dovecot running along all their dependencies. Let's assume my domain is www.anw.com I have created A record in this ...
1
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1answer
64 views

exim4 redirect router, fallback if redirected delivery fails

I run an exim4 instance that is the primary MX for my domain and receives email from the public Internet. Mail for my users is forwarded on to other email addresses - I use the redirect router and ...
-1
votes
2answers
40 views

Handling emails in a separet email servers [closed]

This is a problem about maintaining an all-email VPS server. First, I have two VPS hosts right now, both running CentOS 6.5, 32bit system. one for web hosting and other for email only. The reason ...
0
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0answers
27 views

Courier custom queuetime (bounce time) for some mails

I have a customer that wants me to deliver email on their behalf. The customer wishes for our MTA (Courier) to stop attempting delivery and bounce an email after one day. I am to deliver to the ...
0
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1answer
41 views

How I can set the errors in spanish language on postfix server email?

I have a postfix servers in my network and very much users not read the english lenguage, and I want set the errors in spanish language. My version of postfix email servers is: mail_version = 2.9.6 ...
-2
votes
1answer
682 views

Multiple mail servers for a single domain [closed]

Running a "DNS scan" to make sure my DNS zones are setup "correctly" led to the suggestion by the tool to run more than one mail server for redundancy. It got me thinking about how one would implement ...
0
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1answer
25 views

postfix multiple recipients for the one address

I'm running postfix on centos and in my /etc/postfix/address I have email@domain.com username which works and now I want two people to be on that list now. I've tried email@domain.com username, ...
0
votes
1answer
21 views

Redirecting emails based on alias to different mail server/store

We are a pretty small startup which is involved with providing mail services as part of the portfolio. Up to now, all our C-level officer's emails have been going through our own mail server product ...
0
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1answer
88 views

Setting MX entries for Failover [closed]

I have a GoDaddy domain as "example.com". I wanted to have my own DNS server for the sub domain secure.example.com. So I added a "A" record "NS" pointing to my IP and a NS record "Secure" pointed to ...
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1answer
42 views

Removing non-0 priority MX records

I have MX records set up as such: 0: domain.com (runs of the webhost, really bad) 1: GOOGLE ... google I somehow accidentally added the Google Apps mx servers, btu didn't change the priority 0 ...
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1answer
117 views

Attack from strange IP address, how to block?

Looking through the mail logs I've noticed a lot of these: Apr 7 11:33:25 s123456 pop3d: IMAP connect from @ [::ffff:192.96.206.9]checkmailpasswd: FAILED: web14p3 - short names not allowed from @ ...
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2answers
222 views

How to incrementally migrate email accounts from qmail server to exchange server

The scenario is I need to migrate mailboxes from a qmail server to exchange server. I can use imapsync for that. But the issue is after the DNS change (i.e when DNS changed from old qmail server to ...
1
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1answer
172 views

Spf passes or fails depending on receiver address

I have postfix with dovecot set up on Ubuntu 13.10. I send emails via a node application (using email-templates). If I send an email from noreply@mydomain.com to myacccount@gmail.com (email 1), the ...
0
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1answer
46 views

How to log mail client with Dovecot / Postfix

Does anyone know if it's possible to have Dovecot or Postfix output the mail client of a user? In Dovecot's variables list, I cannot find anything in that direction.
0
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1answer
163 views

Mail Server with different IP than Web Server [closed]

I recently had a problem. Somebody hacked a Wordpress Site of one of my customers and sent about 70.000 Spam Emails. So my Server IP got blacklisted on some Providers. I'm looking now for a solution ...