Sendmail Tls Support

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How to Configure Sendmail to use TLS

    https://cromwell-intl.com/open-source/sendmail-ssl.html
    SMTP over TLS/SSL . We want Sendmail to transfer mail through SMTP over TLS whenever possible for multiple security reasons. The obvious advantage is confidentiality.. The less obvious advantage for most people is authentication, ideally mutual authentication. You also get integrity, protection against malicious modification of the data stream. ...

SMTP STARTTLS in sendmail/Secure Switch

    http://www.sendmail.org/~ca/email/starttls.html
    Sendmail Secure Switch / sendmail 8.11 / 8.12 support SMTP STARTTLS as defined in RFC 2487 which is based on TLS. This document describes the necessary steps to use this feature.

How to Set SMTP to Use TLS - Managing sendmail Services in ...

    https://docs.oracle.com/cd/E36784_01/html/E36828/fxcty.html
    SMTP can use Transport Layer Security (TLS) in version 8.13 of sendmail. This service to SMTP servers and clients provides private, authenticated communications over the Internet, as well as protection from eavesdroppers and attackers.

Sendmail as a client and SSL/TLS support in submit.cf ...

    https://serverfault.com/questions/530876/sendmail-as-a-client-and-ssl-tls-support-in-submit-cf
    Sendmail as a client and SSL/TLS support in submit.cf Asked 6 years, 4 months ago 0 I am using Sendmail as a client using only submit.cf to send legitimate emails from some linux boxes (sendmail -C submit.cf -f email_address).

Securing sendmail with SSL/TLS on RHEL7 - Red Hat Customer ...

    https://access.redhat.com/articles/1467453
    Securing sendmail (sendmail-8.14.7-5.el7) that uses openssl This article is part of the Securing Applications Collection Securing sendmail with SSL/TLS on RHEL7 - …

Sendmail-SMTP-AUTH-TLS-Howto

    https://www.howtoforge.com/howto_sendmail_smtp_auth_tls
    Sendmail-SMTP-AUTH-TLS-Howto. Version 1.0 Author: Falko Timme . This document describes how to install a mail server based on sendmail that is capable of SMTP-AUTH and TLS. It should work (maybe with slight changes concerning paths etc.) on all *nix operating systems. I tested it …Author: Falko Timme

RHEL5 won't support TLSv1.1 or higher - LinuxQuestions.org

    https://www.linuxquestions.org/questions/blog/mensawater-183304/rhel5-wont-support-tlsv1-1-or-higher-36951/
    stat=Deferred: 403 4.7.0 TLS handshake failed The RHEL5 server is running Sendmail. It turns out that by default Sendmail is attempting secure connection based on TLS which of course is TLSv1.0 as noted in original blog post. The MS Admins have just disabled TLSv1.0 on the Hybrid servers.

How to enable TLSv1.2 on sendmail? - Google Groups

    https://groups.google.com/d/topic/comp.mail.sendmail/X4hyWvBKUIY
    Few months ago I enabled TLSv1 only on Sendmail setting up the line -D_FFR_TLS_1 on site.config.m4 file and recompiled sendmail. Now there is a need to enable only TLSv1.2 and I am wondering if there is another option of -D_FFR_TLS_1 like -D_FFR_TLS_1_2 or something like this.

7 Command Line Utilities to Easily Send Email Using SMTP ...

    https://www.raymond.cc/blog/sending-email-using-command-line-useful-for-downtime-alert-notification/
    SendEmail was last updated in 2009, but the last version has TLS support which means it can send email using Gmail SMTP. In terms of features, it is quite similar to Send-It-Quiet which only supports the standard email sending options such as to, from, subject, body, attachment, etc. SendEmail is available for both Windows and Linux operating systems.



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