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

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1answer
76 views

Postfix won't send PHP mail() function from form

I got postfix to send me emails from my server via console using echo "body example" | mail -s "subject example" my@email, but when I try to send an email from my website via mail(), the php function, ...
0
votes
1answer
96 views

postfix NOQUEUE: reject: RCPT from 454 4.7.1 Relay access denied

PS: I seem to have solved this issue by adding all my domains to $mydestinations. I still do not understand why virtual_alias_maps seems to be ignored when looking for valid mydestinations. After ...
3
votes
0answers
95 views

gmail this message was not encrypted [closed]

I just moved my site to another hosting provider. I use SSL/TLS for connection security and port 995. It sends my messages but the problem is that gmail shows This message was not encrypted red flag. ...
0
votes
2answers
61 views

postfix - users are geting mail from them self that they did not send

Our company has a mail server configured with postfix/dovecot/amavisd on Ubintu 14.04. The system has been running for a couple of years and it worked fine. Recently some users started complaining ...
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0answers
10 views

dovecot / postfix reject mail where sender==recipient [duplicate]

I'm getting spam where the senders address is the same as the recipient, as I have an alias I can use if I need to send myself an email(!) so I'd like to block these mails. is there a simple rule I ...
1
vote
2answers
129 views

Zimbra (postfix) receives email from “my domain” but from external unknown server

I've installed a Zimbra 8.0.7, recently the server have become to deliver emails from accounts that belong to my domain ("example.com") but this mails come from external smtps, for example: 1. the ...
0
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0answers
16 views

IIS 6 using Google relay but stopped getting NDR

I had a working IIS 6 server but I had to add the google relay server as I was having issues with sending to gmail account. The sending side of things seem to be fine now but I'm no longer getting non ...
-1
votes
1answer
17 views

Mail getting blocked as abuse, error 500 [duplicate]

we just moved our domain ( daytonaparts.com ) to a new service provider ( ait.net ) and since we went live we have had our emails rejected by AT&T and Microsoft ( Hotmail, MSN, Live.com ) with an ...
0
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0answers
22 views

What is the purpose of an email Sender header? [duplicate]

My understanding is that the From address of an e-mail is only for human readers. Automated spam checkers, relays, and suchlike will check the Sender address, and will look at the From address only if ...
1
vote
1answer
12 views

Group several Nagios notifications in a single email

I have a set of passive checks that I update once a week. I want to set up email notifications. I would like that a single email is sent. This email would contain the list of all services in error. Is ...
0
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0answers
92 views

Postfix, allow specific users to send to selected domains

I'm looking into whether it is possible to allow specific users(senders) to send to a given email address. This is to be used, so that only the management can mail all@domain. I have looked into the ...
0
votes
2answers
90 views

Simple way to send mail from Docker container?

I have a backup script that runs inside a Docker container and I would like it to send me an email when disk usage gets low. Here's the script: #!/bin/bash CURRENT=$(df /data | grep / | awk '{ print ...
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votes
1answer
66 views

Postfix email server sending in junk folder

I’m trying to configure a mail server with Ubuntu 14.04 (Postfix+ dovecot, hostname=idcmail.idc.healthcare) but my emails are being received in recipient’s spam folders. I know there are many answers ...
0
votes
1answer
77 views

Postfix - Can't Receive External Mail

i am using webmin control panel with postfix mail server and every thing working well i mean email message is encrypted and mail sending from my server to other companies like gmail also working very ...
0
votes
1answer
37 views

Force Postfix to ask autentication

If I try to telnet a popular SMTP server I get this messages: telnet smtp.mail.yahoo.it 25 Trying <ip>... Connected to <smtp banner>. Escape character is '^]'. 220 <smtp host> ESMTP ...
1
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0answers
24 views

FCrDNS for a mail server that also runs other services (http, ftp etc)

I am learning how to administer productive internet-facing machines and services, and towards that end setting up mail, web, and a couple other services, all on the same box (budget constraints and ...
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0answers
30 views

Postfix and PostgreSQL: How to make same aliases work for different domains?

I've currently three domains. I want to setup (mostly) the same aliases for every domain and retrieve the mails on Thunderbird. It already works to send/receive mails for contact@domain1.com, contact@...
0
votes
1answer
32 views

SPF record for relay server [duplicate]

Obviously my own mail servers should be marked as "allow" in an SPF record, but I'm not so sure about mail relays (e.g. my ISP). Since other people (not related at all with my server) also send email ...
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0answers
81 views

SpamAssassin: avoid FREEMAIL_REPLYTO on Contact Form

Suppose: someone fills out my contact form on www.example.com/contact/. My server-side script sends this information to a sales person at the organization. To make SPF work, I set the "From" as ...
0
votes
1answer
45 views

How do I tweak spamassassin scores on Ubuntu Server?

I'm wondering what's the right way to tweak scores for Spamassassin's builtin rules. I know how to edit /var/lib/spamassassin/3.004000/updates_spamassassin_org/ but that doesn't feel right - my ...
-3
votes
1answer
55 views

What is the minimum requirements to receive mail for a specific domain?

I think it is: A MTA - Mail transfer Agent software on the server A MX record, a DNS record specifying which server receives mail for this domain. This would deliver mail to a file on the server ...
2
votes
1answer
32 views

Catch All Email for Old Domain?

We've been on our new domain for over a year now and we have removed our redirects from the individual accounts but my boss wants to have a catch all email account so just in case there are messages ...
1
vote
2answers
74 views

huge amount of data is written to mail.log once every minute

I'm on Ubuntu server and a huge amount of lines is written to my /var/log/mail.log once every minute. The lines look like: Mar 11 17:39:08 Ubuntu-1010-maverick-32-minimal postfix/qmgr[1085]: ...
0
votes
1answer
33 views

Difference between DKIM and DomainKeys

There are two methods for signing mail out there (DKIM and DomainKeys). While some sources say that DomainKeys are "ancient", others say you need both, even though to my understanding they do almost ...
2
votes
2answers
58 views

Send Postfix outgoing mail through a Google Apps alias

I have a domain example.com set up as follows A server hosts a website and other some other stuff Google Apps handles my email and is configured to send and receive it Whenever the server needs to ...
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0answers
13 views

Right way to force autresponder script to authenticate against postfix

I'm running Postfix 2.11.1 and i've configured an autoresponder by adding those lines to postfix's master.cf postfix_response unix - n n - - pipe flags=Rq user=...
0
votes
1answer
53 views

SPF in hotmail are not used [duplicate]

I have a problem with Hotmail provider, all mail sent from my server goes to SPAM folder. I Have added a correct SPF to my domain example.com but into the headers is not used (spf=none) and the token ...
0
votes
1answer
24 views

exchange 2013 content-type header

I am creating Transport Rules to create company-wide signatures. One of the quirks that I noticed was that, while everything looks great for HTML mail, anything sent in plain-text includes a bit of ...
0
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0answers
11 views

Sendmail : save emails into files

I use sendmail to manage the emails of my website. I'm testing features which require to send emails, and I'd like to receive these emails in a local directory of my server, store them as text files ...
0
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0answers
23 views

Cache status code of rejected relayed mail to immediately block aggressive clients?

A legitimate client relays mail over mail server A to the destination server B. B rejects mail to recipient with status code 554 and the reason "Unknown recipient". Can this rejection be "cached" for ...
1
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0answers
11 views

Fetchmail and Procmail set up with TLS

I'll start by saying I'm pretty uninformed when it comes to mail protocols, encryption, and basically everything else relevant to this question. My goal is to set up fetchmail/procmail on a machine ...
-1
votes
1answer
45 views

Send authenticated mail without editing DNS records [duplicate]

How can a mail server send authenticated mail (using DKIM, SenderID, SPF etc) without adding records to the sending domain name's DNS server? I've read Jeff Atwood's very useful guide to sending mail ...
3
votes
1answer
103 views

Delivery Status Notification (Failure) => 550 SPF: x.x.x.x (IP address) is not allowed to send mail from <our-domain.com>

Technical details of permanent failure: Google tried to deliver your message, but it was rejected by the server for the recipient domain <repipients-domain.com> by <repipients-domain.com>. ...
3
votes
2answers
97 views

Postfix sender address rejected / using multiple addresses

I have an email server running Postfix that generally works great. I'm trying to use this server as the SMTP server for outgoing mail in a CRM/Marketing platform installation. I've entered the ...
1
vote
2answers
241 views

Why does my server hostname appear in Exim email headers sent from a different domain?

I've had several problems with SMTP emails from my server and domain sent using Exim being blocked by certain other domains, which may have been partly due to certain server settings tripping up ...
0
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0answers
20 views

postfix : Cannot send email using mail() function in PHP

My question may seems duplicate. But I did not find any question with the same environment as mine. I'm using Postfix under CentOS 6.4. I am also using LAMPP. This server does not have iptables ...
1
vote
3answers
50 views

Cronjob: E-Mail with Cronjob output from mailutils is empty

I am tempering with my cronjobs to change the sender and subject for emails sent by the cronjob. For sending emails I installed the mailutils package on Ubuntu 14.04. This is how I am sending my ...
1
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0answers
32 views

configure exim4 on ubuntu with let's encrypt

I need to send mail for a website of mine using PHP mail(). I wanted to make sure this mail is sent encrypted. I already have exim4 sending mail via PHP, but want to make sure it's using a ...
1
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0answers
28 views

Handling errors with php on nginx reverse proxy, and mail response to admins

Is there a way to access the server response from php once Nginx detects an error, and mail the server response to the admins while at the same time show a custom error page to the visitor? Currently ...
0
votes
0answers
15 views

Local delivery of mails for mailman when using fetchmail

I'm setting up a mailman (for managing mailing lists) which will live on a machine in a local network behind a router. Sending out mails and managing works well, the only problem left is the handling ...
2
votes
1answer
30 views

letting anonymous users use a form to send emails as if it is from their own mailboxes without getting flagged as spam

I am working on a project for an environmental NGO. They want to let users use a form on their website, provide their name, their email address and select certain emails from a list to send complaints ...
-1
votes
2answers
58 views

smtp email forwards with Gmail and Wordpress

I'm looking for help. I'm trying to add a new email account to Gmail. I've done it before for one of my websites email domain and it worked fine. However, now, this is the message I get. Furthermore, ...
0
votes
1answer
58 views

ssmtp root alias doesn't work

my ssmtp doesn't change "To" from 'root' to my email. In my ssmtp.conf I have: root=servers@latina.com In debug output I found only one difference between working and not working commands: working ...
0
votes
1answer
55 views

Debian: How to lock root account AND still use cron. (cron does not work while locked account :( )

I'm setting up a small private server which is connected to internet. For security reasons I would like to lock my root account after setting everything up and then use a sudo user for further ...
0
votes
0answers
64 views

Postfix SASL server said: 535 5.7.8 Error: authentication failed:

I have a mail server (running on Ubuntu server 12.04) that worked fine until a couple of months ago. After I forgot to renew my cacert.org free certificate, I created a new certificate and loaded it ...
0
votes
1answer
211 views

Email abuse reports for outbound.protection.outlook.com

I've recently set up a DMARC record for my domain and now I'm receiving email abuse reports from hotmail.com that state: This is an email abuse report for an email message received from IP 104.47....
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votes
2answers
72 views

What's the usual re-sending time period for SMTP servers? [closed]

What I want to ask is about SMTP servers, say, which operate at different IT companies (hosting SMTP servers, corporate SMTP servers etc.) I know that every server can be configured differently, but ...
0
votes
1answer
29 views

Minimal postfix config to receive email

I have do.ma.in with next DNS records: do.ma.in A a.b.c.d mail.do.ma.in A a.b.c.d do.ma.in MX mail.do.ma.in I want to receive one mail from mail.google.com to my postfix to only one ...
0
votes
0answers
32 views

Postfix not forwarding emails, but sends them from command line

I did have postfix working a few months back, then for some reason it stopped working. I only want forwarding emails, not mailboxes. I've setup forwarding using the virtual file, and configuring main....
0
votes
1answer
64 views

Is it possible to send mail to other domain without ssl authentication? [duplicate]

we are using Postfix 2.11.3 on Ubuntu 15.10 Here is configuration file: smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no append_dot_mydomain = no readme_directory = no ...