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.

learn more… | top users | synonyms (1)

0
votes
1answer
13 views

Mail server not picked up by TLS diagnostic tools

I have mailing server under mail.luken-tech.pl . Can anyone explain how this: https://www.ssllabs.com/ssltest/analyze.html?d=mail.luken-tech.pl&hideResults=on shows "Assessment failed: Unable to ...
-3
votes
0answers
21 views

Minimalist mail server for Ubuntu 14.04 VPS [on hold]

I have a very small VPS with 128Mb of RAM. I want to setup an e-mail server that consumes minimal RAM and CPU. I do not want the mail server to have extensions such as mysql, anti-virus, spam ...
1
vote
2answers
29 views

How to check if mail server PTR is correctly configured?

As mentioned here, mail server Reverse-DNS (PTR record) must configured well. most offen the FQDN is not in own control and it is defined by the ISP provider. and it never equals with mail server ...
0
votes
0answers
8 views

Sendmail internal relay to sharepoint 2013

We have a sendmail server which we use for all of our automatic/service accounts to be alerted. This sendmail domain is different from our exchange servers. For example server maintenance or ...
-1
votes
0answers
16 views

Why mails are in spam folder [duplicate]

I have set up a mail server (Postfix) in CentOs with proper configuration six months before. For the past five months, the mails which I have been sent are get received in Inbox folder. But, Now I ...
0
votes
0answers
14 views

Repair Outlook 2007 OST File [closed]

Previous versions of Outlook had the Inbox Repair Tool, which allows you to repair OST/PST files. Currently, I am using a Windows Vista and Office 2007 computer. I need to repair my OST file. It ...
-1
votes
1answer
28 views

Mail being marked as spam by gmail but only from certain addresses [closed]

I am sending the same message through the PHP mail() function using two different addresses in the header. When I send the email with contact@domain.com it is marked as spam by gmail but when I send ...
1
vote
0answers
24 views

How to troubleshoot marketing e-mail inbox rate / deliverability? [duplicate]

After previously using managed ESP's, we've recently switched over to our own server (CentOS 6) that's set up to send bulk e-mails with 12 IPs/SPF/DKIM. Campaigns are processed and sent via ...
2
votes
1answer
33 views

postfix/dovecot says “postmaster_address setting not given” but it is

I'm trying to configure postfix and dovecot to work together with virtual domains stored in MySQL, but I keep running into this whenever mail is passed from postfix to dovecot. Apr 26 11:54:40 smtp ...
-1
votes
0answers
26 views

SPF record definition [duplicate]

I'm stuck on how to create SPF records for a mail server that is hosting multiple domains. I have the following: DOMAINA.COM A Record - main-1.domaina.com CNAME Record - mail.domaina.com MX Record ...
0
votes
3answers
34 views

Server setup for SSL for sending and receiving emails?

I managed to setup one physical server using postfix, dovecot with mysql server. I do plan to use virtual domains and users. Current setup to send and receive emails. SENDING smtp.example.com ...
0
votes
1answer
26 views

Postfix block internal communications

I'd like to know how to block my users to send mail to each other but give them chance to send and receive external mail. john@localdomain.com <---> julie@localdomain.com REJECT ...
0
votes
1answer
18 views

Export or Forward /var/spool/mail/USER (readable for customer)

there are some bounce mails in the /var/spool/mail/USER directory that failed to send. Now the customer receives all of those mails from us because he does not have direct access to them. I can ...
1
vote
1answer
34 views

Originating (non-critical) emails from a “less-trusted” host

Background We have a webapp running on webapp.example.com that (amongst other things) sends messages by email from time to time. These messages are non-critical: whilst we would like to make a best ...
1
vote
0answers
45 views

How can I spam-filter outgoing email on a postfix server?

I'm in the process of setting up a solid mail system. It's my second time setting up something like this, so I already have a basic understanding of how to approach certain topics. I'm using postfix ...
-4
votes
1answer
36 views

DNS MX Record resolves fine from my servers, but is not cached/returned? [closed]

So, my DNS server is returning the MX records just fine: DNS: avuna.org for type# 15 returned 0000046D61696C056176756E61036F7267 Has the proper records: mail.avuna.org A 198.167.143.175 ...
5
votes
3answers
75 views

What to do if one doesn't want to receive email bounces?

Background—the standards RFC 5321 §4.5.5 states: All other types of messages (i.e., any message which is not required by a Standards-Track RFC to have a null reverse-path) SHOULD be sent with ...
2
votes
1answer
25 views

Benign Email Headers

On our server, we have two separate email systems: if it's a long queue of recipients, then we store it in a queue to be sent in a cron. If it's less than X number of recipients, then it sends ...
1
vote
0answers
27 views

Postfix relay smtp to 2 relayhosts for same domain [duplicate]

have a setup in which Postfix relays mail for a specific domain to another mail server (Exchange) via the usual transport file: # /etc/postfix/main.cf transport_maps = hash:/etc/postfix/transport # ...
0
votes
0answers
19 views

hMailServer --> find all bounced back emails

I've been assigned to clean up some of our obsolete client's email from database. So the process was to send all client an email and see which one bounces back. now the problem is I can't find where ...
0
votes
0answers
16 views

How can I detect mail servername used from my clients to my server?

I have a web and mail server with Ubuntu 10.04, Apache 2, courier, postfix, Ispconfig 3 and multiple sites hosted. The clients use mail from Outlook with a config like this: @domain1.com use pop and ...
0
votes
1answer
27 views

Possible to setup a secondary email server with unique addresses?

It is possible to setup two email gateways such that if a record doesn't match the first server then it attempts a second server before failing to deliver? Background: Client recently switched from ...
0
votes
1answer
47 views

How to change Zimbra Welcome page

I have configured a zimbra mail server. It is working fine. But I want to make one of my own html page as welcome file before login page. I have tried to edit the web.xml file but it is of no use. ...
5
votes
2answers
96 views

Configure exim4 to use Microsoft Exchange as smarthost

My company has set recently set up an Active Directory driven Microsoft Exchange environment to consolidate outgoing mails. We do have a set of staging servers which should now use our MSEXCHG as ...
0
votes
0answers
16 views

Prevent Hmail from relaying spam

I am running hmail and it is sending a lot of spam without my knowledge and without me making it send anything. This is highly frustrating. What must I configure in Hmail to prevent it from ...
1
vote
1answer
237 views

Changing hosts resulting in 554 5.7.1 <xxx@domain.tld>: Relay access denied

I have a problem with switching my project from hoster A to hoster B. There are three parties involed: the old hoster, the new hoster and NetworkSolutions as a registrar. I have a .com and and a ...
0
votes
1answer
29 views

How to set up separate relay for sendmail outgoing mail to foreign domains

I have FreeBSD 10.1 and sendmail 8.14.9. Assume my host is "myhost.mydomain.com" and I want: All mail destined for hosts in "mydomain.com" to go to "mail.mydomain.com" while appearing to originate ...
1
vote
2answers
142 views

Can't communicate with SMTP server from particular machine

Here is the situation: When I run the following on my local machine, the mail server responds: $ telnet mail.server.com 2525 Trying <mail.server.com IP>... Connected to mail.server.com. ...
0
votes
1answer
38 views

How would get an email server reputation via cli or script?

I am trying to monitor email server reputation via cli or script i.e. https://www.senderbase.org/ I found a way supposedly to do it via dig, but the output appears to be very incorrect. It indicates ...
-4
votes
1answer
72 views

How to enable `dbox` for a particual mail account?

I need to enable http://wiki2.dovecot.org/MailboxFormat/dbox/ formailarchive account. I want to enable dbox only for the mailarchive account & the other accounts continue to use the Maildir ...
2
votes
1answer
37 views

Authentication error connecting to a mail server via openssl in the terminal

I've set up an email server using Postfix and Dovecot and I'm able to send and receive mail using various mail clients but for some reason I get an authentication error when I try to connect via ...
0
votes
1answer
44 views

Lotus Notes subdomain exchange server

We have a notes server at notesserv01.intra.contoso.com that processes our regular email, and an exchange server at exchserv01.intra.contoso.com for testing purposes. Lotus Notes email addresses are ...
1
vote
0answers
86 views

Postfix on server with multiple IP addresses sends mails with wrong HELO in header

I have a VPS with multiple IP addresses: venet0:0 x.x.x.2 venet0:1 x.x.x.3 venet0:2 x.x.x.4 venet0:3 x.x.x.5 All IPs have A records m2.domain.com -> x.x.x.2 m3.domain.com -> x.x.x.3 ...
0
votes
2answers
60 views

Postfix Failed to Receive Email

I am trying to set up a mailing server with postfix and dovecot in ubuntu 12.04 following this guide. All seems to have worked out correctly and when I try this echo test | mail email1@example.org ...
0
votes
0answers
17 views

Disable mailboxes on Exchange 2007 while emails are being redirected to Gmail

I am trying to uninstall Exchange 2007 for a client as they have decided to use Gmail from now on. I have been going through some errors like the transport connector and the watermark and now I am ...
2
votes
2answers
40 views

How to move cur tmp new directories directly in virtual user home?

Reading the Maildir documentation they just mention folder should be like user/Maildir/cur tmp new So my virtual users have it without Maildir folder like: ...
1
vote
1answer
59 views

Can existing email accounts be extracted from Zimbra?

I have become dependent on Zimbra, and yet I have no need for a heavy GUI administrative interface. I'd rather keep a low-resource server that runs only the underlying services Zimbra uses, such as ...
1
vote
1answer
38 views

Forward Exchange 2013 email to a different mailbox server

Alright, I've seen a few of these posted, but nothing that really jumps out and seems like its' going to do what we need. We have been using a cloud hosted exchange 2013 system for about 8 months ...
-2
votes
1answer
38 views

Could nginx mail module replace a Postfix/Dovecot combo

I saw that nginx has a "Mail Module". I googled but don't find much documentation about this. What is this ? For what can it be used ? Could it replace my current simple Postfix/Dovecot combo?
-3
votes
1answer
68 views

how to prevent fake mails from being sent on my mail server? [closed]

I use Zimbra as my office email server. Recently, an intern at my company showed that he could use my email id (without hacking into my account) to send emails to anyone in the company using the ...
0
votes
1answer
189 views

Postfix milter-reject: END-OF-MESSAGE from 4.7.1 Service unavailable - try again later

I am running postfix-2.11 version and recently i have added dkim-milter-2.8 Postfix configuration: # DKIM milter_default_action = accept smtpd_milters = inet:localhost:8892 non_smtpd_milters = ...
0
votes
1answer
118 views

Relay Denied SMTP error from remote mail server after RCPT TO: <email@example.com>

Hi I have a problem when I want to send mail using smarthost method in exim and usage Mailgun as SMTP server for relay. this is my configuration dc_eximconfig_configtype='smarthost' ...
-1
votes
1answer
45 views

Understanding Postfix Mail Log (Part II)

There are several logs like below in my Postfix mail log: Mar 9 06:01:10 postfix/smtpd[23043]: initializing the server-side TLS engine Mar 9 06:01:10 postfix/smtpd[23043]: connect from ...
0
votes
1answer
64 views

Relay denied (454) [closed]

I make test with the website mxtoolbox.com with my smtp and received this error: 220 hostname.example.com ESMTP [702 ms] EHLO MXTB-PWS3.mxtoolbox.com 250-mail.example.com 250-PIPELINING 250-SIZE ...
-1
votes
2answers
74 views

Internal SMTP server no longer delivering to Google Mail

Our corporate email is hosted on Google Apps, along with 5 domains for various products. Internally (Behind our firewall, not exposed to the internet) we have an IIS server running Microsoft ESMTP ...
2
votes
1answer
35 views

Catch incoming email and then deliver to original recipient on sendmail

in the company I work for there are a user that is making bad use of the email, but to have evidence of what he is doing we need to intercept all the incoming email to him and all outgoing email from ...
0
votes
0answers
24 views

Exim 4.72 doesn't verify recipient

I have a problem with recipient verification. I have next configuration for acl_check_rcpt: accept hosts = : deny message = "Invalid characters in the address" domains = ...
3
votes
0answers
30 views

Dovecot and virtual domains with different namespaces

I've got dovecot 2.1.7 setup with virtual domains and now would like to have different public namespaces for each of the virtual domains. E.g. workdomain.com -> INBOX (private namespace) -> ...
0
votes
0answers
20 views

Is “Received: from hostname (localhost [127.0.0.1])” triggering spam filters? [duplicate]

I am running my own postfix Mail Server. All my mails are Spam filtered (at least by Gmail and Yahoo). I don't really know why they are filtered, because I have implemented SPF, DKIM and DMARC. ...
2
votes
1answer
50 views

SMTP DNS Validation with multiple mail servers behind multiple Public IPs

I know when a Mail server receives an e-mail, it performs a "DNS 3 way check" (I think this is also sometimes called FCrDNS) as a simply test against spammers. The way I understand it to work is as ...