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

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9 views

Google Apps + SparkPost/Mandrill in one domain?

I have PHP application - uses external SMTP server (SparkPost/Mandrill). I do not want my mail server. Manual mail is Google Apps. Can I connect mail and automatic external smtp on DNS? system@...
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1answer
34 views

Server sends emails to itself instead of to me

CentOS 6.7 server. When using either the Webmail or PHP mail() emails directed to me@domain.com do not get sent to my inbox for me@domain.com that I have set up with Gmail - instead they get sent to ...
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1answer
18 views

Move user and mailbox from one active directory to another

Our organisation used to be split across 5 sites with 5 separate domains (and physical locations). We all use the same Office 365 tenancy and domain name (e.g. all of the staff across the 5 sites use ...
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2answers
28 views

Internal network can't see mailserver on public ip address Mikrotik

Please esxcuse my english as it is not my home language I have mailserver in my network behind a mikrotik router and firewall the problem that I'm having is that my mailserver is on a public ip ...
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11 views

host smtp-in.orange.fr[80.12.242.9] said: 501 5.1.0 Emetteur invalide. Invalid Sender. OFR004_405 [405] (in reply to MAIL

After upgrading my ubuntu 14.4 with command apt-get upgrade, the php version has been updated to the version (5.6). The result is that our mail service does not work correctly. Actually, some ...
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0answers
13 views

How do I properly configure /etc/hosts so that sendmail will work? [on hold]

Hey guys! I'm trying configure sendmail on my ubuntu server so that I can use PHP's mail() function on a simple "contact us" web form. I'm confused on what information I have to give in the /etc/...
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0answers
20 views

PHPMailer - Track calls to find spam script

Through making logs more verbose, I've managed to find that all the spam calls are being made from class-phpmailer.php in a Wordpress installation. However, this isn't that helpful - this is the ...
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0answers
4 views

“Received: (from apache@localhost)” header on sendmail [duplicate]

Below are the headers of the email (sent to gmail) Delivered-To: depressionforteens999@gmail.com Received: by 10.13.223.151 with SMTP id i145csp761882ywe; Sun, 17 Jul 2016 17:33:34 -0700 (PDT)...
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0answers
12 views

Configure Postfx using external domain

Please tell me, if I have two servers, one does not have a domain name. Can I configure Postfix to send and receive mail at first using a domain of second? And if so, how?
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16 views

External email from specific database going to junk folder

I have migrated from Exchange 2010 to Exchange 2013, after which things are okay. I have four server plus two databases as below: Servers: CAS01, CAS02, MBX01, MBX02 Database: DB1 mounted on MBX01 ...
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1answer
20 views

Exim fakereject control not working

After following the Exim documentation on ACLs, I cannot get Exim to utilize the fakereject control for the address noreply@other.com with the following config (only relevant lines included): # ...
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0answers
29 views

Safe way to auto reply to all emails

The sales team wants to automatically send out a reply to all senders who contact their group mailbox. Something saying "Hi, thanks for contacting us, we will get back to you in 48 hours." After some ...
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2answers
65 views

Failed SMTP Authentication - TOSHIBA e-STUDIO255

I do have TOSHIBA e-STUDIO255 and i have configured scan to email option. about one week it's worked perfectly but now it's keep giving me this error "Failed SMTP Authentication". i have not change ...
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1answer
54 views

How am I supposed to set up email through an external email service when I'm not allowed to use MX records? [closed]

Trying to use Amazon SES (Simple Email Service) but it requires me to add an MX record to my registrar. According to many sources, including this one, I'm not allowed to have a CNAME record together ...
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1answer
15 views

One user of exchange unable to send external e-mails

We have one individual user on exchange that is unable to send external email, such as to gmail, Hotmail, etc. This user can receive external e-mail, and send/receive email to local users. There are ...
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1answer
9 views

Mail server - Amavis with 7zip

After 1,5 year with working mail server on Ubuntu 14.04 I've experienced strange amavis logs listed below: http://pastebin.com/RwbNw78f Mail server is: Postfix + Dovecot + MySQL + Amavis + ClamAV + ...
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0answers
8 views

Email address tagging doesn't work with virtual mailboxes in postfix

I have my own email server, and I'd like to be able to use dynamic email address tagging. I added the recipient_delimiter = +- directive to my config and restarted postfix, but now if I email bob+...
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0answers
11 views

PowerMTA: per IP rate limit incoming emails

Is it possible to define a per IP rate limit for incoming emails in PowerMTA? Sometimes a single IP can use all available connection slots so I would like to limit it to not allow more than 10 ...
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2answers
57 views

Hotmail blocks my SMTP server [duplicate]

Recently i discovered that hotmail has blocked my SMTP once again. The error code is Diagnostic-Code: smtp;550 SC-001 (COL004-MC5F28) I only send for my web based online 2d text game : http://www....
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1answer
20 views

EOP Quarantined emails

Is it possible to configure Exchange Online Protection to send the quarantined emails report more than once a day? As per a Microsoft article which I'm not sure I'm allowed to post, the lowest value ...
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1answer
17 views

User manageable distribution group in Exchange 2010

Our users need to manage a distribution group in Outlook and want to be able to add external mail contacts to the group. We don't want to have to create a mail contact every time they need to add a ...
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0answers
10 views

How to send Munin Email Alert just for One Server to One Email id

In munin.conf i have multiple Production and Test Servers. And munin sends the notification for all the servers for Warnings and Critical . I want one production server to email to just one email id ...
0
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1answer
25 views

postfix user unknown in virtual alias table [duplicate]

first of all - i am still on a beginner level. As the Topic say i have problems with my mailserver (postfix 2.11.3) on Debian Jessie. It is a VPS with two domains and each has his own IP. When i ...
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0answers
16 views

Script file is created to send junk mails [duplicate]

I have installed Joomla 3.3.6 on my ubnutu server 15.04 on cloud. I have noticed some script file created automatically which is sending some junk mail randomly. I have installed maldetect to check ...
0
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1answer
15 views

sSMTP: Cannot open smtp server

This is not a duplicate, I'm aware of the other question and it didn't help me. Here's my ssmtp.conf: root=info@mydomain.com rewriteDomain=mydomain.com hostname=myHostnameHere FromLineOverride=YES ...
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0answers
27 views

Routing incoming emails to different servers based on email address

I use Google Apps for my company email. We would like certain emails to be handled by an application. These emails are part of the service we provide. So, what we want is: emails to application@...
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0answers
5 views

Will this e-mail configuration work in domain alias with Google Apps?

I understand if I add a domain alias, alias.com, to domain.com, I'll get e-mail address of me@domain.com with e-mail alias me@alias.com. My goal is to configure: (1) sales@alias.com and support@...
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0answers
45 views

Getting Bombarded By Emails [migrated]

My email is configured as follows: I have a gmail account under my name, which is my primary email account. My gmail is then set to check the email account "webmaster@taxiwayalpha.com", and retrieve ...
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0answers
12 views

How to centrally managing e-mail for multiple domains using Google Apps?

I'm re-posting this thread to Serverfault from Webmasters as this is a more relevant place to ask about e-mail server related questions. I have multiple domains that I'm managing. Most of the cases ...
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0answers
9 views

policy deamon vs CLI

I wish to run a mail server for some applications. The Zimbra suite based server will have rate limit for sending emails enabled through cbpolicyd. I would like to know if I send emails directly ...
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votes
2answers
42 views

Using a subdomain for email address [closed]

I have recently acquired a domain which closely resembles my last name (basically there are two words in my name and the domain is only the second word). The plan was to use a subdomain in order to ...
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1answer
48 views

message headers say dkim = fail, stats say = PASSED. why the conflict, and how to fix?

In some-not-all received emails -- notably ONLY those sent via 'bulk' services -- I get a DKIM fail: "signature verification failed". Here's one example: Received message headers DKIM-Filter: ...
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0answers
37 views

GoDaddy DKIM public key

Sending an email from user@mydomain.com to unlocktheinbox.com/mail-tester/ address I can see that the messages sent through GoDaddy email server are signed with DKIM. On GoDaddy cPanel or KB there is ...
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0answers
41 views

DKIM - OpenSSL error: data too large for key size

I have installed openDKIM on a CentOS server running Exim as my MTA. I have gone through the configuration and tested the keys and eveything seems fine. I have created the public and private keys, ...
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0answers
18 views

Postfix. Sending some messages using external smtp server and some messages “directly”. Issue with sender_dependent_relayhost_maps

I'm configuring a new web server and i need to make emails from my PHP scripts to be sent. Most messages should be sent using mandrill SMTP and some "directly" from my server to email services. I ...
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1answer
29 views

Spf record processing speed

I send email through a service provider smtp server that uses a domain different than mine. My email client uses smtp1.provider.net to send emails, but usually the message is routed through smtp2....
3
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1answer
48 views

Why does my Postfix act as an open mail relay, and how do I stop it?

I have a mail server set up with Postifx/Dovecot/MariaDB in CentOS 7. It is somehow configured as an open relay. Do you have any idea how to stop this? Config files below: master.cf # # Postfix ...
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1answer
47 views

TLS auth issue: 'CompanyA@exmple.com “via” SendGrid.me' email is dropped by Exchange [closed]

Looking for clarification about what this Exchange 2007 Management Shell (Powershell) command does and how it affects TLS at the Receive Connector: ms-exch-smtp-accept-authoritative-domain-sender ...
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0answers
11 views

Exim 4 pipe undefined domains

I am running a server with the standard cPanel mail configuration (exim, dovecot). I'm using Exim4 as my MTA. I have set up dynamic DNS, and do not want to set up cPanel accounts for every domain ...
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votes
0answers
24 views

Change [127.0.0.1] in mail header

I have problem, i need to change 127.0.0.1 to my external server ip in mail headers. Some of spam filters could trigger as it is now. headers Received: from server.example.com (server.example.com [...
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2answers
27 views

Securing Mail From Admins - Office 365

I'm trying to determine the best solution that allows me to assure our CEO that his Office 365 mailbox cannot be read by anyone, including myself, an admin. Obviously the mailbox is already locked ...
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3answers
99 views

mails fom my mailserver go to spam folder of hotmail.com [duplicate]

I set up a mail server with dovecot/postfix on a debian server. I don't send commercial mail or newsletters. We are only 4 users and nobody send SPAM. We only send classical mails (no large pictures ...
1
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2answers
74 views

Postfix limit total sent per hour

I'm not after services that could provide me with fancy fine-grained control like policyd, I don't need per user/domain control, I only want to: limit maximim number of emails that could be sent ...
2
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1answer
31 views

Email Header too Long

I was told that this would fit here after I put it on WebMasters. I am hoping someone can tell me what would happen if a line in an email header was longer than the maximum 998 characters as ...
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0answers
24 views

Smtpd_sender_login_maps isn't working for Postfix

So I'm trying to set my postfix up so that only certain users can relay their own emails. Instead of allowing them access to all the emails on the server. At the moment with the setup below any ...
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0answers
31 views

Fetchmail ignores Emails with Date in Future

we have the following scenario: We're running a Windows Server (with an ExchangeServer) with local users and local Email-Accounts. We also have a Domain and Email-Accounts from a service provider. ...
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1answer
38 views

How can I tell where an email account is hosted?

I have a client that has an old email account that is being used to send porn spam but they don't know where it is hosted or how to close it down. I recently helped move the domain registration with ...
0
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1answer
21 views

Can an Exchange Online distribution group be configured to forward mail to it's users alternate email?

I've been trying to figure out how to create a distribution list containing personal email addresses for all our staff. This could be done by adding each staff member as a mail contact with their ...
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2answers
21 views

Is it possible that i use not mail.example.com,can i use just another like abc.example.com for my mailserver? [closed]

Two questions, two problems. I use cloudflare so I don't reveal my IP, there is a problem I can not use cloudflare for my mail server. Now is it so i am under DDOS because mail.example.com is exposed....
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2answers
48 views

Spf A record for a second domain

I need to use this spf record on example.com domain: example.com. IN TXT "v=spf1 a mx a:smtp.second.net -all" I'd like to know if a client sending an email from bob@example.com domain will pass ...