Tag: smtp
All the articles with the tag "smtp".
Exim4 AUTH LOGIN with LDAP
Updated:This was a cause for smashing my head against the wall today. I configured Exim4 with LDAP auth and tested it with Thunderbird and a couple of Mac clients
Exim4 - LDAP Auth
Updated:Having setup postfix and LDAP auth , setting up an Exim server should be within our capabilities. The trouble is I find the exim config a bit scruffy and c
Exim4 and TLS Issues
How difficult can this be? Same server config, just want to enable TLS so it finally has STARTTLS support. Well it looks easy enough as you just need to dr
Mozilla Thunderbird Logging
I had the need to view the actual SMTP server conversation to confirm TLS and authentication were being used. I could have done this from server logs, but as we transmit thousands of SMTP messages a day it was easier to look to the client for logs, rather than for the needle in a stack of other needles.
DKIM Signature Testing
Updated:After setting up a DKIM DNS entry and then sending email we were seeing one of authorised 3rd parties failing to pass the DKIM checks. The DNS record looked OK but the mail systems like Google and Yahoo were saying it was failing. So how do I go about testing a message I received so I can see for myself what's going on?
SPF Testing
http://vamsoft.com/support/tools/spf-policy-tester
DMARC, SPF and DKIM
Updated:For several ears now we've run a fairly tight ship on our email server. It consumes an awful lot of resources mainly because of how many businesses out the
Set up Government Email Services Securely
Updated:https://www.gov.uk/guidance/set-up-government-email-services-securely
Exim4, DKIM & Smarthost
Updated:Following on from the previous post Exim4 & DKIM I ran into a problem with no DKIM signature being added to outgoing mail. As I had this working when sendi
Exim4 & DKIM
Updated:Where possible I try to get mail systems setup so that they can be verified as true senders by the recipient by using SPF and DKIM. Seems a shame that few