Tagged Questions

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

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0
votes
2answers
14 views

Postfix login mismatch sender address rejected

I'm getting the following rather annoying error message: Sender address rejected: not owned by user subscription@****.ca; from=<subscription@****.ca> to=<webmaster@****.ca> proto=ESMTP ...
-1
votes
0answers
23 views

Can I configure incoming and outgoing policies separately in postfix

Can I configure incoming and outgoing policies separately in postfix. Example - Create a Transport_map only for outgoing mails.
2
votes
1answer
37 views

Centos SMTP error command not implemented

I have a vps with Centos 6.5 and postfix installed. When I want to connect to a smtp server like google or mail gun, I get the error 502 command not implemented. Can anybody help me please? This is ...
0
votes
0answers
17 views

only email from my own server to google apps on the same server end up in spam

Im sending emails from a webshop on my VPS. The emails land nicely in the inbox everywhere, including gmail accounts, EXCEPT for the emails to the owner of the webshop, who has google apps email on ...
1
vote
1answer
37 views

Relase outgoing mails to internet if local delivery failes

How can I release outgoing mail to the internet if local delivery fails in postfix? My server has virtual domains configured with mydomain.tld. When I send an email to somename@mydomain.tld it try to ...
0
votes
1answer
24 views

Exim installed, can send mail but not receive any

I am trying to set up the mail service on my server. I installed exim4 and configured it. I can send emails to any email address, send one from a user to another but not receive any. When I try to ...
1
vote
2answers
29 views

Exchange / Outlook Managing multiple smtp addresses

In our company some of our employee's have multiple email addresses on multiple domains. Now we have tried multiple setup to manage this situation, only to find that there is no ideal one. We are ...
0
votes
1answer
19 views

Zabbix Not Triggering Events and Not Sending Notification Emails

I am new to Zabbix administration. Running it to monitor server resources on a linux machine. Setting up Email notifications against trigger's expression if System RAM goes below 40GB. Using Amazon ...
2
votes
0answers
29 views

Debian Wheezy/Postfix: “whois” email alias not working when others will?

I've hit a really irritating issue. I'm trying to add a "whois" email alias to /etc/aliases for my whois contact information, but the alias bounces email every single time. I added a "blort" alias ...
-1
votes
0answers
14 views

check redirect emails with spamassassin exim

I need that when a mail is carried foward, This mail is checked by the spamassasin before leaving my server. My file config is: perl_at_start = true acl_smtp_rcpt = check_rcpt acl_smtp_data = ...
0
votes
1answer
27 views

Change location of maildir

Standard Linux installation provide a maildir in /var/spool/mail/$user (that's actually a single file holding all emails, not a "mail directory"), soft-linked by /var/mail/. I'm going to set up ...
0
votes
1answer
40 views

postfix relay emails dynamically

Is it possible to relay incoming emails dynamically with postfix's relayhost? relayhost = proxy:mysql:/etc/postfix/email2server.cf and I used mysql database to query each email with relay host. But ...
0
votes
1answer
26 views

How to prevent spam from “as permitted sender” senders?

Looking into my gmail spam folder, I see many messages coming from an old domain. How does it work, that I receive spam from an old account? And, how can I stop these spammers of using the old email ...
-2
votes
0answers
24 views

Message is bounced sent via Windows Live Mail - “552 5.2.0 - automated process detected unsolicited content” [closed]

I have free email account at Yahoo with the both methods of access : POP3 and via Web I have setup POP3 access in my Windows Live Mail (WLM) for Yahoo and it works fine, but when I send a message to ...
0
votes
2answers
38 views

Tracing down spam

How can I find the source of out going spam on a linux server? tail -f /var/log/exim_mainlog 2014-10-24 15:02:37 [28750] 1Xhl4A-0007Te-9C Completed QT=7s 2014-10-24 15:02:37 [28746] SMTP ...
0
votes
2answers
30 views

Why does postfix on AWS give me “Invalid MAIL FROM address provided”? I have production access

I'm running the postfix mail server on my AWS box. My domain is mydomain.com. I have set up virtual mapping such that emails sent myuser@mydomain.com should be forwarded to target-user@gmail.com.com. ...
0
votes
1answer
58 views

Postfix - Relay all incoming mail to another host

I have 2 hosts, one is mail1.example.com The other is mail2.example.com Both servers have it own public ipv4 ips (But in different geo locations) Domain name has mail1 MX as mail server. I ...
1
vote
1answer
30 views

How to move properly from Postfix/Dovecot to Google Apps

here is the situation: we had a mail server configured within a VPS (using Postfix/Dovecot) with the mail for 1 domain being managed. We just moved the mail for that domain to Google Apps. The MX ...
0
votes
0answers
41 views

Use nginx as reverse proxy for outgoing mail

We have a production server running a singlepage web-app and a separate proxy server, for security reasons. Every request to our web-app is handled by our reverse proxy (nginx) on the proxy server. So ...
0
votes
1answer
14 views

Make exim4 only send mail, do not make it receieve mail

We send email locally using exim4, but we use Google Apps to receive our email. Unfortunately, exim4 is not sending mail addressed for our domain (internal notifications) to the Google Apps mail ...
-1
votes
0answers
13 views

bluehost email not receiving from other domains

I have a domain (let's say domain1.com) on bluehost, and an email like acconunt@sub.domain1.com) and I'm facing something very strange. I can send emails from this account to any other domains (like ...
3
votes
1answer
36 views

does email pipe to program cause problems with unicode characters?

I'm piping incoming mail into a PHP script, immediately storing the RAW email in a MySQL db. It works very well, except ~0.7% of emails arrive with a truncated message body. I found someone whose ...
-2
votes
0answers
20 views

Default Email Sender Address [on hold]

I just checked Mail Delivery Reports in WHM to find that many emails didn't deliver because some mail servers are rejecting saying the Sender address is not a valid domain. I am sure that sab sub ...
0
votes
1answer
41 views

Parked domains on Spamhaus DBL

I've set up a nameserver to park a bunch of my domains (similiar to sedo, bodis etc). Everything is working well. Unfortunately, all my parked domains are instantly listed at spamhaus (DBL). No mail ...
0
votes
0answers
45 views

Emails stopped being sent by server all of a sudden

I am not really a Linux admin (mostly focused on Windows) but we do have one WebServer that runs Red Hat 6. This server has a web app that runs on ColdFusion 10 (Update 14). I generally just login to ...
1
vote
1answer
26 views

Setup DNS - different mailservers for different accounts on same domain

How to setup DNS so you can use multiple mail servers with both different mail accounts on them? Reason I ask is because I have gone from a mail server from a website-provider to a paid solution. Not ...
0
votes
2answers
87 views

Why can't I send/receive emails from AWS Ubuntu using Postfix?

I'm trying to send/receive emails on my AWS Ubuntu box. To do so, I'm following the instructions posted by Amazon here. (I skipped the section entitled "To configure integration using a secure ...
0
votes
0answers
19 views

Sendmail set domain in From field

I am using a Hetzner root server running Debian 7. My IP address is 148.251.181.168. My hosts file has the domain name immediately after 127.0.0.1, which was suggested as a solution elsewhere. ...
-1
votes
1answer
28 views

Setup cPanel to use MX records defined at domain registrar level (and not local MX records) [closed]

I use cPanel (without whm on this account) for a number of domains within the same account. For some of these accounts we are only using the related hosting for website hosting, the email is hosted ...
1
vote
1answer
23 views

wildcard certificates for linux mail servers

I would like to publish non-self-signed SSL certificates for some linux mail servers, which operate SSL and/or TLS mail services. (If relevant, these are dovecot+sendmail servers.) I need to cover ...
0
votes
1answer
51 views

How do I stop SPAM from being sent from my server? [duplicate]

I have a VPS which I rent and it is running Centos 6. The VPS has ZPanel installed which is used to host some websites and emails. One of my clients has noticed thousands of 'undeliverable' messages ...
0
votes
0answers
9 views

Shared hosting - force mail return envelope [migrated]

I hope I'm on the right site, because it's a crossover between drupal and server configuration... I am currently using shared hosting for a website and am encountering mail problems while sending ...
0
votes
1answer
45 views

How many bounces before removing a dead address to avoid recycled spam trap?

We are developing our own mailing tool and scan log and mail error to remove dead mails from our database. When an error 5xx is returned by mails servers, we remove the mail for a determined time ...
-1
votes
1answer
20 views

Email forwarding?

I am not sure if this is possible, but please bare with me. I had a quick look around this morning, but as I wasn't sure what this was called or how to describe it thought it was best asking. We ...
2
votes
2answers
65 views

Mail not delivered from custom email server (MS Exchange)

I have my own Exchange Server 2013 (SP1). I am able to receive emails ok but sending emails is not reliable. Emails sent to gmail or seznam.cz (email provider in Czech Republic) is ok. The problem is ...
-1
votes
0answers
104 views

Can't receive mail, but can send mail? Centos 6 Postfix/Dovecot

I followed this tutorial to setup my webmail on CentOS 6: https://www.rosehosting.com/blog/mailserver-with-virtual-users-and-domains-using-postfix-and-dovecot-on-a-centos-6-vps/ Everything is setup ...
0
votes
0answers
16 views

Qmail deliver locally for domain

Completely wrestling with this. I'm using Interworx panel, and they use qmail. I'm trying to get qmail to send emails for mydomain.com remotely and not locally - but only when the email was created ...
0
votes
1answer
27 views

Automatically defer certain messages in Postfix

Recently we've had a spate of "spear-phishing" attacks that many of our users have fallen for, and as a result our automated scripts are running at full steam locking accounts that have been ...
-1
votes
2answers
103 views

how to fix “send-mail: Authorization failed 534 5.7.14 ”

I am trying to create e-mail alert on ssh root login so I had to install ssmtp and mail utility. Then I configured ssmtp.conf file as follows : # Config file for sSMTP sendmail # The person who gets ...
-1
votes
1answer
30 views

Prevent users responding to unmonitored email address

I send email notifications on behalf of my customers to their customers (tertiary customers). Sometimes my tertiary customers respond to those emails with the expectation that it will reach my ...
0
votes
1answer
26 views

Query to find emails that have been moved/deleted in Oulook

I have a user that accidentally (bad swipe or something...she's not sure how it happened) moved a number of emails from the Inbox into the Trash in Outlook. If she goes into the Trash she can see ...
0
votes
1answer
39 views

Exim rejected RCPT

Recently I changed the router on the network, opened all the ports up and got it working Not long after making this change mail on the server stopped working. The mail log is returning this message: ...
-3
votes
1answer
47 views

Mail spam by root and smmsp [closed]

Whenever I go to the mail queue log in the ISPConfig monitor section, I see approx. 300 hundred requests like the following: 482BDFEC0187 712 Thu Oct 9 09:39:01 smmsp@server.example.com (connect to ...
0
votes
1answer
35 views

Postfix: Handle different sender

I have currently the following Setup: Incoming E-Mails: Customer A -> Mailserver of Customer A All other Customers -> Default Relay For Outgoing E-Mails, I set up the sender_dependent_relayhost ...
0
votes
1answer
31 views

Send e-mail upon user login for MySQL

I know that I can use ONESEC to e-mail myself if someone logs into my server but I was wondering if I could do the same thing if someone logs into a specific user for MySQL. My GoogleFu seems to be ...
-2
votes
1answer
24 views

IMAP archive on NAS storage forces a Error: Input/output error for maildir_lock [closed]

My server is running out of hard disk space. The main reason is a huge amount of archived IMAP mails. Therefore my idea was to put all archived mails on my NAS and mount that folder on my server. ...
0
votes
1answer
24 views

Which E-Mail software generates these spammy mails?

I notice a lot of spammy looking e-mails from suspicious sources. They are not real spam but are unsolicited. You can identify them by containing these headers: X-Mailer-LID: 5 List-Unsubscribe: ...
2
votes
1answer
25 views

Why is Bugzilla slow to save my changes?

I've installed Bugzilla 4.4.5 from source on a CentOS 5 machine. Served through a virtual host on the standard CentOS 5 Apache install, using MySql and installed-from-source Perl. Originally the ...
-1
votes
1answer
26 views

mail rejected from some domains on same VPS [duplicate]

I have multiple domains hosted on a VPS. Hotmail seems to reject email from certain domains (it does not even arrive in the spam folder), but accepts email from other domains (on that same VPS). What ...
0
votes
2answers
51 views

Sending Email by SMTP IIS7.5 via php site

After my company decided to change the website we switched from old ASP.NET site to new website created in Drupal(php). The site is running locally on IIS7.5 and we also have virtual SMTP server on ...