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.
Questions tagged [email]
6589 questions
18
votes
6 answers
How to Setup Ubuntu Mail Server with Google Apps?
I have a domain, let's call it foobar.com. All of the MX records for foobar.com point to Google's mail servers because I am using Google Apps for your domain to manage it. It's great because everyone gets all the advantages of GMail, but our e-mail…
Apreche
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1 answer
What is preferable, "no-reply@" or "noreply@"?
Having a service that sends out notifications to users, I'm currently thinking about changing the sender email address from "info@" to something more meaningful.
Since a reply never makes sense, I'm thinking about using one of those "no reply" email…
Uwe Keim
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18
votes
2 answers
How can I query postfix to test is an address is in the virtual address file?
Is there something I can run from the command line that will let me query postfix (running locally)?
if an address is in the virtual address file and,
where the mail for that address is routed to.
Ex: If I have the email address of tim@domain.com.…
ckliborn
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18
votes
1 answer
MX Records - go to two servers?
Right now I have a single mail server for IMAP. Let's say I want to introduce Exchange but not all users will be on it. Some users will be on my "legacy" IMAP, others on the "new" Exchange. Is it possible to "split up" your users (from the same…
Unknown Coder
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17
votes
2 answers
SPF fail vs. soft-fail pros and cons
Question
What are the advantages and disadvantages of using Fail vs. a SoftFail in my SPF record?
What I found on the topic
Back in 2007, knowledgeable-seeming folks seem to have said SoftFail was just for testing and encouraged changing it to…
sondra.kinsey
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17
votes
2 answers
Setting up SPF and DKIM records of a subdomain
I need to setup SPK and DKIM record for mail.mydomain.com. I have set the following at namecheap -
For SPF -
Record type :TXT
Hostname : mail.mydomain.com
Value : v=spf1 ip4:x.x.x.x ~all
For DKIM -
Record type : TXT
Host :…
Aditya Singh
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17
votes
4 answers
SRS / Sender Rewriting when forwarding mail through postfix
Is there any way to perform SRS, or something similar using Postfix?
When I get a mail from user@example.org, I forward it (via a catchall) to something@gmail.com, but GMail is checking SPF, and seeing that my server is not authorized to send mail…
Mikeage
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17
votes
3 answers
How to send an e-mail after a cron job
I have added a cron job for my incremental backup, and I configured it like this:
0 23 * * * /usr/bin/rsync -ravzX /mnt/external/project/ /media/backup/project/ | mail -s "Backup Success" admin@example.com
But i didn't receive any e-mails.
How can I…
Booth
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17
votes
4 answers
Is my new gTLD causing it to get filtered as spam?
I have a domain called "*******.international". I decided to go with the new gTLD because it fits the name of the company pretty well.
I have an automated emailer setup to send emails to our clients' emails and I've noticed that a few companies are…
Kevin Evans
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17
votes
2 answers
Is it still "wrong" to require STARTTLS on incoming SMTP messages
According to the STARTTLS Spec Section 5:
A publicly-referenced SMTP server MUST NOT require use of the
STARTTLS extension in order to deliver mail locally. This rule
prevents the STARTTLS extension from damaging the interoperability of
the…
jackweirdy
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17
votes
3 answers
How to collect bounces in postfix
This is related to this question:
linux - Ways to get a bounceback report for my newsletter application? - Server Fault
Let's say I'm generating email addresses like this when I send out newsletters to identify bounces and unsubscribe them from my…
Brian Armstrong
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17
votes
8 answers
Are email disclaimers valid or worthwhile?
My organization automatically attaches an email signature for all employees' outgoing messages. The signature contains onerous warnings and disclaimers that sound very official and imply all kinds of legal standing.
Is there any point to this? It…
jldugger
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17
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3 answers
Setting 'From' header for cron email using msmtp
I've got msmtp setup on Ubuntu 10.10 so that cron can send me emails. That works like a champ, for the most part.
However, emails coming to my gmail account show up as coming from (unknown sender), and the headers show:
From: root (Cron…
Jason Navarrete
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17
votes
5 answers
Dovecot user lookup fails when using username@domain format
I have Dovecot v2.0.11 installed on a FreeBSD server and the user lookups for incoming email addresses are failing, but lookups for system users is successful.
Dovecot is setup to use system users, so my dovecot.conf has
userdb {
driver =…
cigarman
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17
votes
7 answers
Easiest way to send encrypted email?
To comply with Massachusetts's new personal information protection law, my company needs to (among other things) ensure that anytime personal information is sent via email, it's encrypted. What is the easiest way to do this? Basically, I'm looking…
johnnyb10
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