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

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6
votes
3answers
172 views

What is DNS TXT record “mailru-verification”?

Sometimes I see this mailru-verification DNS record. I've Googled - and Yandexed ;) - but I found nothing about it. I suspected that is a kind of russian SPF implementation... dig example.com TXT ...
1
vote
1answer
65 views

Postfix: SMTP Relay based on alias (from address)

I recently noticed when I add an alias to a Gmail account they ask me for a remote SMTP server, username and password. Then, whenever I try to send an email using that alias it gets relayed by Gmail ...
-1
votes
2answers
52 views

Will e-mail addresses for different domains arrive at the same mailbox if MX records are identical? [closed]

Say I have bluppfisk@bluppfisk.com, but I want bluppfisk@bluppfisk.co.uk to be treated as an alias without setting up a forward. Can I just configure the MX record for bluppfisk.co.uk to point to ...
0
votes
1answer
51 views

Amazon SES not sending to multiple recipients (AWS SDK for PHP)

I've set up Amazon SES on my server. I'm using AWS SDK for PHP. It's version one. Here's the documentation. Here is the code I'm using to send: $to = $_POST['mailto']; $response = ...
-2
votes
1answer
24 views

What happens if you have one imap client and one pop client?

I have a mailbox on my server which accepts POP and IMAP connections. If I connect one remote client via POP and another remote client via IMAP, what will happen? Will the emails remain on the ...
0
votes
1answer
70 views

rDNS / PTR record when using Cloudflare

I know that Cloudflare, does not support mail trafic and uses dynamic IP's to protect the servers behind it, But I really need to be able to do rDNS lookups on my IP. I have turned of the Caching and ...
0
votes
1answer
29 views

Setup Auto reply for a contact in exchange 2010 [closed]

I am trying to setup an auto reply bounce back for an email contact from exchange management console. Is it possible? If it is possible please instruct me how. I tried to setup a new "Transport ...
-1
votes
1answer
30 views

How to retrieve only headers of the email not body (Fetchmail or Getmail)

How I can to get only headers of the mail, to download the message body later. Is this possible?
0
votes
1answer
81 views

iRedMail: Telnet sendmail over postfix possible for aliases without mailbox while not logged in

I am using iRedMail 0.8.6 for a e-mail implementation. Now the following problem came up: It is not possible to send a mail through telnet from an existing mail account whithout being logged in. ...
1
vote
1answer
61 views

Failed to receive Email alerts on HP ILO 4

I have trouble getting email alerts on one of the HP server DL380 Gen9 on windows server2012 R2 We dont have exchange Server in our Environment. I tried enabling ILO AlertMail with my Email address ...
-2
votes
1answer
40 views

Add another email in GMail through SMTP server

I've had some luck using Postfix to relay emails sent to my server to multiple GMail accounts, but now I would like to go the other way around. That is, use the gmail "Add another email as your own" ...
0
votes
1answer
65 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
54 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 ...
2
votes
0answers
74 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
57 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 ...
0
votes
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
108 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
votes
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
15 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
votes
0answers
21 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
votes
0answers
91 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
58 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 ...
-2
votes
1answer
62 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
51 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
33 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
vote
0answers
20 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 ...
0
votes
0answers
27 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, ...
0
votes
1answer
30 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 ...
0
votes
0answers
58 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
42 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
29 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
65 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
31 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
55 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 ...
0
votes
0answers
11 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 ...
0
votes
1answer
48 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
21 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
votes
0answers
10 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
votes
0answers
22 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
vote
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
44 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
90 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
91 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
197 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
votes
0answers
18 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
44 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
vote
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
vote
0answers
26 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 ...