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Questions tagged [email-server]

Refers to the hardware or software that make up a server dedicated to sending and receiving emails. Many popular modern email servers bundle other functionality for contacts and calendaring along email delivery.

Refers to the hardware or software that make up a server dedicated to sending and receiving emails. Many popular modern email servers bundle other functionality for contacts and calendaring along email delivery.

A list of mail servers can be found on Wikipedia, though sendmail, Microsoft Exchange Server, Postfix, and Exim are the most popular email servers, which together control over 85% of market share for SMTP service.

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Best Practices for preventing you from looking like a spammer

I'd like to feel more confident setting up mail for my clients with regards to false positives. Here's what I know: SPF records are good, but not every spam filter service/software (SFSS) uses them. reverse DNS (PTR) records are pretty much a…
gravyface
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Which IMAP flags are reliably supported across most mail servers?

I am writing an application which reacts to emails sent to a mailbox. It retrieves the emails via IMAP. It will be deployed to a number of systems where I do not control the mail server configuration. I would like to use IMAP flags to indicate which…
Ben Butler-Cole
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Has my ISP mangled my DNS reverse lookup record for a single static IP address?

I've taken on the task of running a small email server, and the world of spam makes it more challenging for an individual, as many MTAs are highly paranoid about accepting email. I think I've configured nearly everything that could be a problem…
StewLG
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what is sensible-mda and do i need it?

I'm running Ubuntu Intrepid, and have been seeing the following my logs: Aug 23 16:01:03 wp1 sm-mta[13700]: n7NFJIad013566: Warning: program /usr/sbin/sensible-mda unsafe: No such file or directory Aug 23 16:01:03 wp1 sm-mta[13700]: n7NFJIad013566:…
FilmJ
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Fixing My MTA's Poor Reputation

I have a web site that needs to send email to customers to deliver files that they have purchased. Reliable email delivery is vital to this business. Unfortunately, most of the emails sent by my server are not delivered due to my MTA's "poor…
Alex Reisner
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Should I run my own MTA?

I need to send a large volume of emails, roughly 60.000 per week. At the moment we outsource this service to a third party, and we expect to double our volume within the next 6 months. Since the service is starting to be too expensive, I was…
Mascarpone
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Postfix Temporary lookup failure

I am trying to set up postfix, but I get a "Temporary lookup failure" error main.cf: inet_protocols = ipv4 inet_interfaces = all queue_directory = /var/spool/postfix command_directory = /usr/sbin daemon_directory = /usr/lib/postfix data_directory =…
dzervas
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Forward incoming mail on Linux server?

I am trying to set up mail forwarding on a new server of mine. For example, I want emailaddress@mydomain.com to forward all email sent to it to, say, otheremail@gmail.com. I do not need/want to be able to send mail from mydomain. I'm running Ubuntu…
shanet
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ssmtp change " From: "root" " root name

My root user send emails with ssmtp. However I can't change "From: root ..." root name. Is there any way to send email with another name without using another user? Tried: echo 'From: "New name" ' | ssmtp to@gmail.com -v
Adrian
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Identifying which MTA is running

I dont have knowledge on linux and how can i know which mail server is running on my linux box? Postfix/Exim? Btw Didn't found postfix folder in etc/, where can i find master.cf? .Any idea for modify cPPOP?
LoRdiE
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Is it possible to send and receive an email from an IP address instead from a domain?

Usually an email has a domain name on the right side of the @, so you can identify an organization or a company. This domain is in fact nothing other than a "name" or an "alias" for an IP address, resolved by the name server. I think this could be…
user242212
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How read mail from /var/spool/postfix/deferred?

Is there a way to read deffered mail from /var/spool/postfix/deferred. I tried to copy file to my mail directory and see it from webmail but it dosnt work. When im using less or cat it seems like files in spool/deferred are some binary files.
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Minimal setup for sendmail to send outgoing email only?

I run a simple server that I administrate remotely, and I need it to be able to send an email to my personal email address every time an error occurs. With the default setup on Ubuntu, sendmail just accumulates emails in /var/spool/mail that are to…
Michael
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Which anti spam DNS blacklists should used?

i want to protect my mailserver with dns blacklists for fighting the spam. there a so many blacklists out there. currently i use: ix.dnsbl.manitu.net cbl.abuseat.org bl.spamcop.net safe.dnsbl.sorbs.net dnsbl.njabl.org should i add/remove some…
coding Bott
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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.…
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