Free and open source mail transfer agent (MTA) that routes and delivers email. When asking about postfix problem, please include the relevant maillog lines and output of the following command: "postconf -n" (content of main.cf) and/or "postconf -M" (content of master.cf)

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0
votes
1answer
60 views

Spam sent from my dedicated server Centos/Postfix, no idea on how to block people from connecting

I've been reading a lot of topics here for the last 2 hours, made some change and yet I'm not sure how things happened and if things are fixed. First, this morning, I received an email from OVH, ...
0
votes
0answers
30 views

(Host-)Naming a single server with multiple purposes

My Setup I recently rented a VPS and set up an Apache, a Postfix / Dovecot and a TeamSpeak server on it. When adjusting the Postfix configuration, I had to deal with the server's hostname, which, by ...
0
votes
1answer
36 views

godaddy vps dns setting

I have goDaddy Domain with this dns record a @ 107.150.xx.xx 600 seconds Edit cname email email.secureserver.net 1 Hour Edit cname ftp @ 1 Hour Edit cname www @ 1 ...
-2
votes
1answer
50 views

How BCC works in Postfix

I'm trying to use postfix feature content_filter like: my_script unix - n n - 10 pipe flags=Rq user=filter argv=/usr/local/bin/my_script.py -f ${sender} -- ${...
0
votes
0answers
72 views

How to BCC copy all outgoing emails with Postfix?

I have a VPS on DigitalOcean where I have installed Postfix. I'd like to add in BCC an email address of my choice for all the emails that passing through Postfix go to email addresses not in my system....
0
votes
1answer
58 views

Ubuntu Postfix Courier Imap custom filter to custom folder based on sender address

I am trying to find a way to have incoming mails to a specific folder based on sender address. My setup is on Ubuntu Server 14.04, Postfix mail_version = 2.11.0 Courier Imap with spamassasin, amavis, ...
0
votes
0answers
86 views

Postfix: status=deferred (delivery temporarily suspended: lost connection while receiving the initial server greeting)

Good day all, I have installed postfix 2.6 on my centos and trying to sent emails through a smarthost, to which I can telnet on smtp port, and failing with subject error. My main.cf is as follows: ...
0
votes
2answers
45 views

Postfix Catchall - Avoid Spam

I've 2 accounts on my CentOS server configured with catchall email accounts. Lately I've been receiving bounced emails with virus that were supposedly sent from my server account, Ex: somestragename@...
2
votes
0answers
25 views

PAM vs /etc/shadow in Dovecot SASL configuration - Security differences?

I set up a server with Postfix SMTP auth through Dovecot SASL. However, it was not possible to get the PAM authentification working as standard out of the box. So more by chance, I changed it to ...
-3
votes
1answer
21 views

Telnet times out on local machine but works externally

Im trying to get inbound mail working with postfix. Nothing is showing up, even in the maillog. Outbound works perfectly, but inbound doesnt. If i use telnet from an external server over port 25, i ...
7
votes
1answer
112 views

Trying to setup mail server, can't get ports (25, 587) to work

I've searched everywhere and I'm really struggling with this one. I think I've tried just about everything. Background info VPS with CentOS 6.7 Postfix 2.6.6 dovecot, amavis, mysql, fail2ban I've ...
-2
votes
1answer
36 views

postfix mail server not configured in outlook

I have configured postfix mail server with squirrel mail web client. I'm able to success send out mail through squirrel mail/web mail but when I tried to configure it in outlook then smtp is not test ...
1
vote
0answers
17 views

Sieve saved EICAR virus to Junk folder but also disregarded in the log

I have setup my own mail server by partially following the guide (series) here The sieve filter rule is: ... truncated ... # Trash messages with improperly formed message IDs if not header :regex "...
0
votes
1answer
68 views

Postfix can not receive mail with error: amavis[15499]: () (!)DENIED ACCESS from IP x.x.x.x, policy bank

My mail server ran very well. But after my setting an OpenConnect VPN on the mail server, I found the server could not receive mails from outside. For example, my host IP is 1.2.3.4 I did tail -f /...
0
votes
0answers
134 views

postfix dovecot lmtp status=deferred (connect to domain.com[private/dovecot-lmtp]: No such file or directory)

I'm setting up my own Ubuntu mail server at home (postfix-mysql-dovecot-roundcube) with a MX registered domain (here in my example it will be "domain.com"). My main.cf : # Debian specific: ...
1
vote
2answers
41 views

Correct DNS settings for postfix

I'm currently planning my new mailserver and can't stop thinking about one simple thing: The DNS settings. Most MX records look like mail.doomain.tld or mx01.domain.tld. Are there any advantages of ...
0
votes
0answers
32 views

Postfix Not Sending Or Receiving Emails

I followed this tutorial to setup a mailserver on my centos VPS: https://www.linode.com/docs/email/postfix/email-with-postfix-dovecot-and-mysql-on-centos-6 And I am able to send emails to my account (...
0
votes
1answer
41 views

Postfix: Alias from multiple adresses to one

I've installed a postfix/dovecot combination on my VPS the last days and everything works fine. Now I want to add mail forwarding, so that mails with a specific suffix, like this: youtube-account@...
0
votes
1answer
32 views

postfix/opendkim not sign email from php on second domain

I have two domains, called them example1.com and example2.com on example1.com all emails sent with dkim sign. on example2.com emails from php sent without dkim sign, but if send email from console, ...
0
votes
1answer
46 views

Mutt suddenly stopped sending emails with attachments via Postfix

Issue arose when an attachment froze at the send stage (after uploading fine) in mutt 1.5.24. I updated to mutt 1.6.1, same compile flags, but still didn't send. Tested in Thunderbird (icedove) and it ...
1
vote
1answer
9 views

Postfix not detecting hostname or domain

I'm having a problem with Postfix (on Centos 6.5) whereby I have to set myhostname explicitly in main.cf, otherwise local mail is relayed through the relay host. According to the Postfix main.cf: "...
0
votes
0answers
31 views

Postfix + Dovecot: Tracking down missing, but delivered email

I have an odd issue. It appears, according to my maillog, that someone has emailed me and that my server accepted - and delivered - the email. Yet the message isn't in my inbox, and I haven't seen any ...
0
votes
1answer
60 views

recipient address rejected - helo/hostname mismatch

there, I'm in a bit of pickle and was hoping someone could provide some assistance. I have a mail server, [sending.server.com] trying to send to another server to [target.server.com] from [email@...
0
votes
1answer
17 views

Skip filter for mails from some hosts

The context: I currently have a main MX that run spamassassin trough a direct filter: smtp inet n - n - - smtpd -o content_filter=filter filter unix - n ...
0
votes
1answer
66 views

Postfix, SPF, and Perl: warning: premature end-of-input on private/policy while reading input attribute name

I followed this guide (http://www.thenoccave.com/2013/05/08/centos-6-postfix-spf-checking/) but I'm getting the following errors in maillog: May 8 22:15:13 ip-172-31-15-65 postfix/smtpd[1999]: ...
0
votes
1answer
22 views

Local mail not signed, Postfix, DKIM, Mandrill

I am running a Postfix mail server for my client. Mail is relayed through Mandrill. Mandrill requires a valid DKIM signature. This works all right for relayed mail. That is, mail sent through ...
0
votes
1answer
132 views

Postfix NOQUEUE: reject: RCPT from unknown

I built a web based application but when it is trying to send an e-mail it fails. Postfix logs the following in it's mail.log: postfix/smtpd[22261]: warning: hostname srv.eastinc.nl does not ...
1
vote
0answers
66 views

Use postfix through a proxy. How should it be configured?

Postfix by default uses ports 25, 465 and 587. In my configuration, I enabled TLS encryption using the option smtpd_use_tls=yes in postfix's main.cf. This makes all smtp communications encrypted as ...
-1
votes
1answer
40 views

Mail server and postfix

On my work we use soft what monitor how much time you was on work and send email to each employee at midnight. But we have ~300 employers, and use public mailservers like gmail. So computer there soft ...
0
votes
1answer
62 views

Sync a Maildir backup to an account

I have a client who created about 20 mailboxes on a server, and they have been using them for a few weeks. So there is mail in them, that can't be lost. Now they recovered a backup of those mailboxes ...
1
vote
1answer
47 views

Postfix not sending email from myorigin

I want email to come from user@example.com but they are currently coming from user@mail.example.com From Postfix documentation: What domain name to use in outbound mail The myorigin ...
0
votes
1answer
30 views

Postfix: Unverified Client host rejected / SASL Logged In

Running Ubuntu, iRedMail, Mysql, Amavis, Spamassassin, Dovecot, Postfix Recently had some unauthorized usage of a postfix server internally from a malware deprecated staging server. I worked on ...
0
votes
1answer
38 views

setup posfix mail server - allow local emails (error 550 5.7.1)

I have from on website and submiting it should sens question email to support on behalf of customer (puting his email addres as sender) Problem is that support does not recieve email but insead ...
0
votes
1answer
61 views

Set PostFix relay_host only for outgoing emails

I setup an architecture with a PostFix mail server and an Encryption gateway. I am relaying all my outgoing SMTP traffic (even mails going from mydomain.com to mydomain.com) to an encryption Gateway ...
0
votes
1answer
44 views

Connection refused by AMAVISD-NEW

I found here many information to set a AWS server on my own. I installed the DKIM patch and it's work great, but now I can't send mails. I had already problems sending mails, but now are deeper. Some ...
0
votes
0answers
45 views

Configure Postfix as backup MX AND local delivery for the same mailbox

I try to explain better... Actually I have a standalone mailserver (CentOS7+postfix+dovecot) that provide some mailboxes for my domains and I want to add a Backup MX. As said in lot of doc (http://...
0
votes
1answer
215 views

SMTP: Received from unknown [xxx.xxx.xxx.xxx] -> but IP does have a valid PTR/RDNS

I got the following problem. I got an smtp-relayserver that collects outgoing mails from other servers and checks them (spam assassin). Now the headers are showing this: Received: from ...
0
votes
1answer
37 views

linux: forward mail in mailbox

Is it possible to forward mail out of a mailbox to another mailbox? I know about .forward, that's not what I want to do(seems like that's 100% of the answers out there). I already have mail in a ...
0
votes
1answer
23 views

Postfix configure <the database with non-UNIX accounts> in local_recipient_maps

What form would the configuration of <the database with non-UNIX accounts> take? # in /etc/postfix/main.cf local_recipient_maps = proxy:unix:passwd.byname, $alias_maps, <the database ...
2
votes
1answer
127 views

550 Verification failed Sender verify failed (in reply to RCPT TO command)

Note: email addresses, domains, and ip addresses have been changed to protect the innocent Current Error: Apr 28 23:47:32 vps01 postfix/smtp[8012]: 2A03D6285EF9: to=<brian@somedomain.com>, ...
2
votes
1answer
75 views

POSTFIX:Must issue a STARTTLS command first. Email not being send from commandline ubuntu [duplicate]

I am trying to send email from the command line from my ubuntu server. So I started configuring the postfix onto my local machine rather than on server. So basically these are steps which I followed: ...
0
votes
0answers
5 views

Gmail relay server not working from one sender 550-5.7.1 [duplicate]

I've got a postfix server set up to relay emails sent to my personal domain to a gmail account. It's been working fine for everything until today when a sender reported that all their emails are being ...
2
votes
1answer
43 views

Postfix not accepting external connections

I have set up a postfix server that works just fine when accessed as localhost. However I cannot make it available from the outside. The relevant configs are as follows: /etc/postfix/main.cf ...
-1
votes
1answer
43 views

Can't receive mail from outside

I have two domains hosted on my server and now I want to setup both domains for my mail server, but I'm stuck. Localy it works fine, but when it comes from outside (hotmail, gmail...) it doesn't work. ...
1
vote
1answer
102 views

convert plain text passwords to sha512-crypt in dovecot + postfix's mysql mailbox table

I have an old postfix + dovecot + Roundcube mailserver (mail.domain.Tld). Server clock is loosing time and adjusting it causes dovecot to kill itself, we cannot install more memory, bigger hard-drives,...
2
votes
0answers
38 views

Postfix filter incoming mail

Currently I have a Postfix setup on a CentOS machine. It has multiple virtual_alias_domains and virtual_alias_maps = hash:/etc/postfix/virtual. There are multiple entries in /etc/postfix/virtual like:...
1
vote
1answer
27 views

Minimum postfix config to send mails to a smtps server

I'm trying to send mails with python so I configured a postfix server locally. The python part seems to work as my mails reach the smtpd server. After that, postfix seems to correctly query the MX ...
1
vote
0answers
72 views

Postfix relayhost not working

I have a simple goal: I am setting up a monitoring system and I want this monitoring system to send me emails when a problem with my servers occurs. I have Postfix installed. And I want to use mail, ...
-3
votes
2answers
33 views

How can I check how many emails were sent by Postfix?

I have access to Postfix's mail.log file. In order to tell how many messages were actually sent, how can I check this log file? Is there a specific string that I can grep for.
1
vote
1answer
124 views

Number of issues with postfix, DKIM, and mail getting rejected or bulked

I'm having a number of issues with Postfix and mail sent being rejected or put in the spam/junk folder. I am trying to send emails on behalf of a number of my customers. I've got a postfix server set ...