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

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16 views

How to change the VPS without loosing incoming emails in the meantime?

I have to change my VPS provider and so I have to transfer all my files to a new provider. The problem is that it may cause a downtime of up to 24 hours. In the meantime it's very likely that my ...
1
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1answer
14 views

Relay Access Denied - Combined with external mail service

I have a client website which is spitting out this error message after you complete any of the forms: Mistake in recipient address! 554 5.7.1 : Relay access denied Mistake in sending data! 221 ...
0
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1answer
24 views

EXIM - 550 Cannot receive from specified address - Sendgrid

We're having some intermediate issues with exim where some emails go through and then others get the 550 Cannot receive from specified address Error. This is the guide we used to setup EXIM: ...
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1answer
14 views

Lotus Notes Inbox issue

I have a clustered environment of two domino servers. What I find is that in the active server of the cluster the mail "Inbox" is empty. But then the views-> "All Documents"/"All Emails" shows that ...
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0answers
13 views

Dovecot not serving old migrated emails for some clients

I have just migrated my emails to a new mail server. The old and the new server had the exact same setup using MailDir with fetchmail, procmail and dovecot. The configurations of those three ...
0
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1answer
8 views

Redmine imap issue

I'm having a big problem with redmine. I want people to send a mail to : it@myfirm.com and then redmine has to create a ticket. So first I tried doing it with rake but I quickly realized that its ...
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0answers
21 views

User Mailbox content replicated 100X

Exchange 2007SP2 I have a user mailbox currently has 5 million emails still reflecting on our Exchange Server. Long story short, users sent emails replicated 100x and overloaded our Server. I as ...
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1answer
19 views

postfix unable to receive external emails

I have setup an email server with postfix and dovecot. Installation went fine but I am not able to receive emails from external users(gmail, yahoo etc) but I can send email to external users. When an ...
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3answers
53 views

Will mailing lists “break” if SPF is too restrictive?

I have recently configured my own mail server (Linux-based postfix + dovecot scenario). This is just for personal use - I have no bulk mail going out, no automatically generated mail outbound from the ...
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0answers
16 views

how do i modify mail(envelope and header) as using mailfromd

I`m trying to modify mail(header,envelope) while using mailfromd. These are my questions: I found "Envelope Modification Functions" in library following as rcpt_add and rcpt_delete. Is there no ...
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0answers
31 views

Unified email strategy, migration from remote IMAP and Thunderbird

We are a small team of five people managing roughly 100 websites on a dozen servers. The current email strategy implemented by me some years ago seems not to be optimal any more. Let's describe the ...
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1answer
31 views

sending email from cron in html format not text

i am trying to send email every 1 hour from cron job which is executing a php script that fetches data from database and shows in a table format. i have CentOs 6.1 where i created my cron job.firstly ...
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0answers
16 views

Setting up Office 365 / Exchange 365 email in Mail (32-bit) without logging in as the user?

There's been a recent change in policy at the place where I work that I cannot login to a user account without the user being virtually or physically present. In order to setup their account at ...
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1answer
36 views

When cron is completed How to get email notification and log in a file (both)

I am a Newbie to linux. I'm trying to figure out things. Can someone kindly help me how to combine these two commands? (1) Normally cron can results can be directed to a log file by editing crontab ...
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0answers
23 views

How to test connection to Google mail server? [closed]

For example, google mx records for gmail is ALT1.ASPMX.L.GOOGLE.com I've tested all common smtp ports (25, 2525, 465, 587) and does not work. Any idea?
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0answers
14 views

Linking mail groups from /etc/aliases to Mailman for archive purpose

I have configured mail server with postfix as MTA and Dovecot as MDA. Ubuntu version is 12.04. Also created mail groups in /etc/aliases. Mailing is working perfect. For archiving purposes I have now ...
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1answer
29 views

Email server domain name best practice [closed]

Is it a good idea to use a subdomain or an entirely different domain name for sending generated emails such as registration, password reset...? So that the main domain doesn't get marked for spam. ...
1
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1answer
59 views

Should DNS A timeout to result in permanent email failure?

Occasionally an email does not get through when sent to a recipient who uses the outlook.com system for their email server. Their MX record resolves fine, but their A record (something like ...
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0answers
10 views

Amavisd custom final behaviour based on recipient

I know I can set default message handling in Amavisd by setting $final_*_destiny to one of D_PASS, D_BOUNCE, D_REJECT or D_DISCARD. And I know I can disable specific checks by recipient with the ...
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0answers
26 views

Send mail with postfix using multiple ip address [duplicate]

I'm developing a mail marketing service and in this service I need to set an outgoing IP address in postfix before send an email but the problem is, I have multiple clients and I need to set an ...
0
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1answer
32 views

Finding valid email service providers in a large list of domains

I have a list of approximately 13K free email/webmail providers from circa 2000. Obviously the vast majority of these services have gone out of business, and the domains have either lapsed, or been ...
9
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2answers
647 views

How can I reduce the damage of stolen mail accounts?

Currently I’m offering some webhosting to a few advertising agencies for their premium customers. But currently I have a great problem with the E-Mail Service. In the last week, the E-Mail Accounts of ...
1
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1answer
56 views

Posftix mails not arriving to external recipients (closed port)

I have an Ubuntu Server (192.168.1.2) behind a router (192.168.1.1 with static public IP a.b.c.d and domain example.com). Apache works fine and is accessible from the outside under example.com. On ...
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2answers
67 views

What should I set in postfix's myhostname / mydestination?

I am using Ubuntu, on a web server need to send out email (via sendgrid), this server never receive any external email, and I've the following hostname settings /etc/hostname = example /etc/hosts = ...
0
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1answer
23 views

Send email from main domain using exim4

I've installed exim4 on my server to send email for server messages, registration messages, lost password messages etc. My server's FQDN/rDNS is mail.example.com, which I also entered during the ...
2
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1answer
49 views

How can I enforce TLS in sendmail when I don't necessarily know the hostname of the downstream MTA (only IPs)? [e.g. by recipients' domain]

I'm running SendMail 8.14 and have some custom static routes for sending to certain domains. These domains are "internal" but not managed directly by me. Here's an example of ...
3
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1answer
22 views

Exim4 crypteq with MySQL lookup always fails

I got an Exim 4.80 server on Ubuntu 14.04. I want to switch from Dovecot Auth to MySQL. The passwords are stored as crypt (with sha256, beginning with $5$). The expansion looks like this: ...
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2answers
35 views

SPF with a Mail Gateway: do I need to put all my mail servers?

I always put all my Mail Servers in SPF declarations, but I'm not sure if this is the correct way to implement SPF. All my mail got routed through a Mail Gateway. Everything goes first to this server ...
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0answers
37 views

Email spam/hack and odd apache logs around the same time

A friend of mine started getting failed delivery notices yesterday (June 23rd, 2014) on all of his domain e-mails, and so he asked me to look into it. I have been looking through various logs and his ...
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0answers
13 views

PHP list Configuration With VPS

I have with VPS with 2GB Ram Here are some details.. total used free shared buffers cached Mem: 1922356 1801120 121236 0 127448 1034404 -/+ ...
2
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0answers
19 views

Single MailCleaner installation for two distinct domains with user authentication

I would like to use one MailCleaner installation to handle two distinct domains as one centralised spam management system, sharing configuration and mainly the bayesian filtering database. Both ...
2
votes
3answers
48 views

Same SMTP server, Microsoft Exchange reaches recipient but sendmail does not

I debated the question title for a while but I think this about explains the question. Feel free to edit it if someone has a better title. Environment: Microsoft Exchange 2010 and sendmail. Problem ...
6
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3answers
1k views

Should I let email bounce or send it to a blackhole?

I have a lot of unused (old, dead) accounts on my machine. Many of them receive literally thousands of emails a day, all spam. If the account was used by a person, I let the email bounce so that ...
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0answers
33 views

Duplicate emails being sent

I'm on a Mediatemple server with Plesk 11.0.9, CentOS 6.4. The same email was sent to user@wesleyan.edu 31 times and I'm trying to determine why. This has been a reoccurring problem with various ...
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1answer
27 views

Copying over E-mail accounts & content from Zpanel to Zpanel

I'm switching hosting providers and I'm at the point that all the websites are already running (not that much effort..:) but now the only thing, as far as I can see, that is left are the E-mail ...
0
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2answers
20 views

Catch-all email with specific exceptions on a domain [closed]

I want to set up catch-all email on a domain, but also retain the ability to except certain email accounts, such that, if an email is sent to an excepted account, it is bounced back with an "account ...
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1answer
57 views

Postfix + Mailq: Mailbox Full no bounce

I have a mail server and alot of clients. Some of my clients have many email accounts and dont use some of them. So, I have alot of mailboxes full, which receives dozens of emails every day. So, my ...
0
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1answer
29 views

Can I use the same domain to send outgoing only emails from another server?

The company currently uses gMail apps for incoming/outgoing emails. It has sending limits which I need to get around. Can I set up (say) postfix for outgoing only email on the local server? Can it ...
0
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1answer
31 views

I need to email the users of my site but my host does not support many emailings per hour

I have a security concern on my site and I need to inform my users about it via their stored email addresses. However, my host does not allow for huge numbers of emails. What are my options?
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1answer
38 views

Deliver email from local development server

I'm working on a website development and need to test some email stuff (send email to register users just me and I'm using my personal email address for this purpose). I'm not an expert so I only have ...
0
votes
1answer
43 views

Plesk 12 Linux Server Mail Spam Issue

I'm running multiple websites on my dedicated server, and for one website in particular where users signup and then must verify their email address, I'm getting reports from my client that a small ...
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votes
1answer
55 views

Email system architecture and implementation [closed]

It's been over a week already and I am unable to find satisfactory solutions to my problem on the Internet. I hope the experts here could lend a helping hand. I will just go straight on describing the ...
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0answers
17 views

Google Apps Audit

I have recently setup a business level Google Apps account but a minority of our users are misusing their accounts so we would like to start monitoring incoming and outgoing mail. The simplest ...
0
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1answer
40 views

Email appears to be sent, but never arrived (probably because of attachment size). Shouldn’t there be an error message? [closed]

A friend tried to send me an email containing a big attachment (> 30 MB). According to his email client, the email was sent successfully (it moved from Outbox to Sent folder). I never received this ...
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0answers
42 views

Postfix, schedule batches of email to be sent

Is it possible to have postfix limit the amount of emails it sends at once and when there is larger than x email, send them out in timed batches (wait 5 minutes, send another 50, something like that)? ...
2
votes
2answers
76 views

Exchange server not writing a “To: ” header for BCC'd messages

Is there a way to make an Exchange server set the To: header in the message sent to a bcc recipient? We have admin access to the server. Other email programs do this, so it should be possible. ...
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0answers
54 views

Trying to make Mailman work with Zoho mail

I installed mailman on my CentOS 6 server, (followed instructions here) I created a test list and checked the Send "list created" email to list owner? option, but email didn't reach my mail box (I'm ...
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0answers
18 views

Add a per-domain filter in sieve

How can I set up a per-domain filter in sieve/dovecot? In documentation I can see per-user setting: sieve = ~/.dovecot.sieve, and right now I'm using global filter: sieve_before = ...
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1answer
25 views

Postfix Regex Alias with Text Substitution

I'm migrating from an older email structure ([first letter of first name].[last name]@company.com) to [first letter of first name][last name]@company.com. To ensure that mail sent to older addresses ...
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1answer
67 views

DMARC 'sampled out' policy override effect in GMail server

Anyone know what actually a 'sampled out' override reason mean in DMARC aggregated daily reports? I only get those from GMail and recently I've got some complains of undelivered messages from ...