Questions tagged [email]

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

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

6589 questions
17
votes
2 answers

DNS MX/SPF/DMARC records without actuall emails on domain

I created website for someone, but also someone (I guess some SEO guy) told this person that I made big mistake because there are missing DNS records on domain (mx, SPF, dmarc). Now I need to "fix" my error. Thing is, of course these records are…
norr
  • 273
  • 1
  • 5
16
votes
4 answers

Is there any way to see if the mail sent by my server was received by the recipient server?

I've sent an important email that the recipient claims it wasn't received by them. They say that they asked their IT team to see if the email was received in their server. According to them the email never reached their server. Also they don't…
belyid
  • 331
  • 1
  • 4
  • 14
16
votes
4 answers

Is there an open source email client that will work with Exchange 2007?

Recently I've been playing around with Ubuntu 9.04 on one of my work systems. The only real bump in the road that keeps it from being being used as my main workstation is that I cannot find a suitable solution for an email client that works with…
Psycho Bob
  • 816
  • 2
  • 13
  • 23
16
votes
5 answers

Get postfix to forward root's mail

I have an Ubuntu server running postfix. It is not the mail server for my domain. Whenever a cron job runs for root, the output mail is not delivered locally, instead it gets sent to root@mydomain.com via the main mail server. This is not what I…
oz1cz
  • 1,575
  • 3
  • 11
  • 10
16
votes
5 answers

Is there a way to use the Autodiscover feature without Exchange?

The autodiscover method used by Exchange looks great. However I do not have Exchange. It looks like when setting up a mail account the device/mail client looks for a autodiscover.xml file. Is there a way to create such a file by myself and serve it…
SamK
  • 1,356
  • 3
  • 14
  • 28
16
votes
2 answers

Hotmail marking messages as junk

I was having problems with emails sent from my server being blocked completely by Hotmail, but I found out Hotmail had blocked my IP and by contacting Hotmail I had the block removed. See this question for more info: Email sent from server with rDNS…
Canadaka
  • 361
  • 1
  • 3
  • 10
16
votes
3 answers

Get log of mail sent with mail() from PHP (sendmail?)

After some server changes our PHP configuration got nuked, which caused a client's large mailing list to time out partially through about 4,000 addresses or more. We want to avoid sending a duplicate mail as much as possible, and we have the…
Kristopher Ives
  • 384
  • 1
  • 3
  • 14
16
votes
7 answers

My email server is being blocked by Yahoo: TS03 Message permanently deferred

My mail server has been getting the following error from Yahoo's mail servers since about a month: postfix/smtp[23791]: host g.mx.mail.yahoo.com[98.137.54.238] refused to talk to me: 421 4.7.1 [TS03] All messages from [my ip] will be permanently…
liviucmg
  • 283
  • 1
  • 2
  • 6
15
votes
3 answers

How do I temporarily suspend mail delivery to a specific domain (non-local) with Postfix?

Using Postfix and custom transports I can manage delivery speeds depending on the recipient's domain. (For example, I send max one message per second to *@hotmail.com) I also use similar rules to block bad destinations (htmail.com is blocked right…
Julien
  • 510
  • 1
  • 5
  • 11
15
votes
2 answers

Spamassassin flagged something as spam that is not spam. How do I tell it so?

This is sort of a general question about training spamassassin. I have a newly set up mailserver which filters incoming mail through spamassassin. I recently got a flight reservation flagged as spam (score 5) and would like to tell spamassassin it's…
Nick Jennings
  • 350
  • 2
  • 11
15
votes
2 answers

What's the point of repeating an email address in "The Envelope" and the "The Header"?

I learned that both the FROM address and the TO address is repeated in a hidden element called the "envelope", and then repeated again in the "body". Question Why isn't the envelope data copied into the "header"? Why does this duplication exist,…
TLDR
  • 301
  • 2
  • 9
15
votes
2 answers

Can you reference a CNAME record in an MX record?

We have several domains all pointing their MX records at mail.ourdomain.com, an internal mail server. We are looking to outsource our email to a new supplier, who would like us to use mail.newsupplier.com; their mail server. We'd rather not change…
NeilS
  • 253
  • 2
  • 4
15
votes
2 answers

Postfix → Dovecot LMTP: User does not exist: uid@domain

I am trying to have Postfix deliver local mails via Dovecot's LMTP (among other things to replace procmail with sieve). Up to now, I've been using mailbox_command = procmail - a "$EXTENSION", delivering to local ~/Maildirs. Following…
eudoxos
  • 363
  • 2
  • 3
  • 11
15
votes
2 answers

Gratuitous CRLF in Subject: line - why is it there, and is it legal?

I'm running into a problem with a NAGIOS system sending emails to a popular email-to-SMS service. The email-to-SMS service takes emails with text in the Subject: line, and sends them on to the mobile number encoded in the To: field. So far so…
MadHatter
  • 79,770
  • 20
  • 184
  • 232
15
votes
3 answers

Reading mail from /var/spool/mail/root

I've tried using mail for reading the e-mail messages in /var/spool/mail/root, but it's really a pain. I've read that pine is better, but it seems not to be available for my linux (CentOS 5.4 x86_64). At least nothing appears when I type yum list…
GetFree
  • 1,500
  • 7
  • 23
  • 37