May 31, 2019
IMAP no Android com o K-9 Mail
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IMAP no Android com o K-9 Mail
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SMTP Relay as a Service - i samarbete med Olivetti
SMTP Relay as a Service – i samarbete med Olivetti
SMTP Relay används ofta av företag för att t.ex. skicka e-post direkt från en skrivare/scanner. Ett enkelt och smidigt sätt dela information och kopior på t.ex. fakturor.
Många använder sig då ofta av servrar som är publika som t.ex. smtp.one.com, smtp.gmail.com eller sin egen internetleverantörs e-postserver (det som brukar kallas Utgående server). Ofta är den s.k TCP porten för SMTP (port 25)…
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SMTP Relay as a Service - i samarbete med Sweway Office
SMTP Relay as a Service – i samarbete med Sweway Office
 SMTP Relay används ofta av företag för att t.ex. skicka e-post direkt från en skrivare/scanner. Ett enkelt och smidigt sätt dela information och kopior på t.ex. fakturor. Många använder sig då av servrar som är publika som t.ex. smtp.one.com, smtp.gmail.com eller sin egen internetleverantörs e-postserver (det som brukar kallas Utgående server). Ofta är också den s.k TCP porten för SMTP (port 25)…
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Source : https://blog.filippo.io/the-sad-state-of-smtp-encryption/
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More ramblings about troubleshooting STARTTLS negotiation with openssl
As of late, I've been spending time troubleshooting STARTTLS negotiation issues over SMTP. It's an interesting service extension and if you're REALLLLY curious about it, feel free to check out the RFC here.
Along the way, I've learned a couple interesting openssl s_client switches and wanted to share. Here's my new "go to" command for troubleshooting:
openssl s_client -cert <path to tls cert> -connect <remote mail server fqdn or ip>:25 -starttls smtp -state -msg | tee <log file path>
Configuring STARTTLS in Exim
Configuring STARTTLS in Exim
[postimg]http://www.marcus-povey.co.uk/wp-content/6a0120a85dcdae970b016301e98de2970d-800wi.png[/postimg] We all know how important it is to secure web servers with encryption. As I’ve mentioned before, port 80 HTTP should be considered deprecated at this point!
Just as important (potentially more so), but often overlooked, is to ensure that your email server is also secure.
STARTTLS is a…
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Fixed: Is STARTTLS more safe than TLS/SSL? #development #solution #it
Fixed: Is STARTTLS more safe than TLS/SSL? #development #solution #it
Is STARTTLS more safe than TLS/SSL?
In Thunderbird (and I assume in many other clients, too) I have the option to choose between “SSL/TLS” and “STARTTLS”.
As far as I understand it, “STARTTLS” means in simple words “encrypt if both ends support TLS, otherwise don’t encrypt the transfer”. And “SSL/TLS” means in simple words “always encrypt or don’t connect at all”. Is this correct?
Or in other…
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