{"id":31402,"date":"2023-11-21T14:07:01","date_gmt":"2023-11-21T13:07:01","guid":{"rendered":"https:\/\/www.ikarussecurity.com\/uncategorized\/ikarus-mail-security-tls-1-2\/"},"modified":"2024-12-20T16:21:13","modified_gmt":"2024-12-20T15:21:13","slug":"ikarus-mail-security-tls-1-2","status":"publish","type":"post","link":"https:\/\/www.ikarussecurity.com\/en\/release-notes-and-product-updates\/ikarus-mail-security-tls-1-2\/","title":{"rendered":"IKARUS mail.security \u2013 TLS 1.2"},"content":{"rendered":"<p>[av_layout_row border=&#8221; min_height_percent=&#8221; min_height=&#8217;200&#8242; color=&#8217;main_color&#8217; mobile=&#8217;av-flex-cells&#8217; id=&#8221; av_element_hidden_in_editor=&#8217;0&#8242; mobile_breaking=&#8221; av_uid=&#8217;av-10w0ne&#8217;]<\/p>\n<p>[av_cell_one_half vertical_align=&#8217;middle&#8217; padding=&#8217;0px&#8217; padding_sync=&#8217;true&#8217; av-desktop-padding=&#8221; av-desktop-padding_sync=&#8217;true&#8217; av-medium-padding=&#8221; av-medium-padding_sync=&#8217;true&#8217; av-small-padding=&#8221; av-small-padding_sync=&#8217;true&#8217; av-mini-padding=&#8221; av-mini-padding_sync=&#8217;true&#8217; background=&#8217;bg_color&#8217; background_color=&#8217;#ef5737&#8242; background_gradient_direction=&#8217;vertical&#8217; background_gradient_color1=&#8221; background_gradient_color2=&#8221; background_gradient_color3=&#8221; src=&#8221; attachment=&#8221; attachment_size=&#8221; background_attachment=&#8217;scroll&#8217; background_position=&#8217;top left&#8217; background_repeat=&#8217;stretch&#8217; link=&#8221; link_dynamic=&#8221; linktarget=&#8221; title_attr=&#8221; link_hover=&#8221; mobile_display=&#8217;av-hide-on-mobile&#8217; mobile_col_pos=&#8217;0&#8242; custom_class=&#8221; template_class=&#8221; av_uid=&#8217;av-jumkwvcm&#8217; sc_version=&#8217;1.0&#8242;]<\/p>\n<p>[\/av_cell_one_half][av_cell_one_half vertical_align=&#8217;top&#8217; padding=&#8217;60px,30px,60px,30px&#8217; av-desktop-padding=&#8221; av-desktop-padding_sync=&#8217;true&#8217; av-medium-padding=&#8221; av-medium-padding_sync=&#8217;true&#8217; av-small-padding=&#8221; av-small-padding_sync=&#8217;true&#8217; av-mini-padding=&#8221; av-mini-padding_sync=&#8217;true&#8217; background=&#8217;bg_color&#8217; background_color=&#8217;#d4300f&#8217; background_gradient_direction=&#8217;vertical&#8217; background_gradient_color1=&#8221; background_gradient_color2=&#8221; background_gradient_color3=&#8221; src=&#8221; attachment=&#8221; attachment_size=&#8221; background_attachment=&#8217;scroll&#8217; background_position=&#8217;top left&#8217; background_repeat=&#8217;no-repeat&#8217; link=&#8221; link_dynamic=&#8221; linktarget=&#8221; title_attr=&#8221; link_hover=&#8221; mobile_display=&#8221; mobile_col_pos=&#8217;0&#8242; custom_class=&#8221; template_class=&#8221; av_uid=&#8217;av-jumkxgop&#8217; sc_version=&#8217;1.0&#8242;]<\/p>\n<p>[av_heading heading=&#8217;IKARUS mail.security \u2013 TLS 1.2&#8242; tag=&#8217;h1&#8242; style=&#8217;blockquote modern-quote&#8217; subheading_active=&#8217;subheading_below&#8217; show_icon=&#8221; icon=&#8217;ue800&#8242; font=&#8221; size=&#8217;34&#8217; av-desktop-font-size-title=&#8221; av-medium-font-size-title=&#8221; av-small-font-size-title=&#8221; av-mini-font-size-title=&#8221; subheading_size=&#8217;15&#8217; av-desktop-font-size=&#8221; av-medium-font-size=&#8221; av-small-font-size=&#8221; av-mini-font-size=&#8221; icon_size=&#8221; av-desktop-font-size-1=&#8221; av-medium-font-size-1=&#8221; av-small-font-size-1=&#8221; av-mini-font-size-1=&#8221; color=&#8217;custom-color-heading&#8217; custom_font=&#8217;#ffffff&#8217; subheading_color=&#8221; seperator_color=&#8221; icon_color=&#8221; margin=&#8221; margin_sync=&#8217;true&#8217; av-desktop-margin=&#8221; av-desktop-margin_sync=&#8217;true&#8217; av-medium-margin=&#8221; av-medium-margin_sync=&#8217;true&#8217; av-small-margin=&#8221; av-small-margin_sync=&#8217;true&#8217; av-mini-margin=&#8221; av-mini-margin_sync=&#8217;true&#8217; headline_padding=&#8221; headline_padding_sync=&#8217;true&#8217; av-desktop-headline_padding=&#8221; av-desktop-headline_padding_sync=&#8217;true&#8217; av-medium-headline_padding=&#8221; av-medium-headline_padding_sync=&#8217;true&#8217; av-small-headline_padding=&#8221; av-small-headline_padding_sync=&#8217;true&#8217; av-mini-headline_padding=&#8221; av-mini-headline_padding_sync=&#8217;true&#8217; padding=&#8217;25&#8217; av-desktop-padding=&#8221; av-medium-padding=&#8221; av-small-padding=&#8221; av-mini-padding=&#8221; icon_padding=&#8217;10&#8217; av-desktop-icon_padding=&#8221; av-medium-icon_padding=&#8221; av-small-icon_padding=&#8221; av-mini-icon_padding=&#8221; link=&#8217;manually,http:\/\/&#8217; link_target=&#8221; title_attr=&#8221; id=&#8221; custom_class=&#8221; template_class=&#8221; av_uid=&#8217;av-ksfz7ji8&#8242; sc_version=&#8217;1.0&#8242; admin_preview_bg=&#8221;]<br \/>\nRelease notes<br \/>\n[\/av_heading]<\/p>\n<p>[av_textblock size=&#8221; font_color=&#8217;custom&#8217; color=&#8217;#ffffff&#8217; av-medium-font-size=&#8221; av-small-font-size=&#8221; av-mini-font-size=&#8221; av_uid=&#8217;av-jy8jdxp7&#8242; admin_preview_bg=&#8221;]<br \/>\nRelease date 21. November, 2023<br \/>\n[\/av_textblock]<\/p>\n<p>[\/av_cell_one_half][\/av_layout_row][av_layout_row border=&#8221; min_height=&#8217;0&#8242; color=&#8217;main_color&#8217; mobile=&#8217;av-fixed-cells&#8217; id=&#8221; av_uid=&#8217;av-10w0ne-8&#8242;]<\/p>\n<p>[av_cell_one_half vertical_align=&#8217;top&#8217; padding=&#8217;9px,0px,0px,0px&#8217; av-desktop-padding=&#8221; av-desktop-padding_sync=&#8217;true&#8217; av-medium-padding=&#8221; av-medium-padding_sync=&#8217;true&#8217; av-small-padding=&#8221; av-small-padding_sync=&#8217;true&#8217; av-mini-padding=&#8221; av-mini-padding_sync=&#8217;true&#8217; background=&#8217;bg_color&#8217; background_color=&#8217;#d4300f&#8217; background_gradient_direction=&#8217;vertical&#8217; background_gradient_color1=&#8221; background_gradient_color2=&#8221; background_gradient_color3=&#8221; src=&#8221; attachment=&#8221; attachment_size=&#8221; background_attachment=&#8217;scroll&#8217; background_position=&#8217;top left&#8217; background_repeat=&#8217;no-repeat&#8217; link=&#8221; link_dynamic=&#8221; linktarget=&#8221; title_attr=&#8221; link_hover=&#8221; mobile_display=&#8217;av-hide-on-mobile&#8217; mobile_col_pos=&#8217;0&#8242; custom_class=&#8221; template_class=&#8221; av_uid=&#8217;av-jumkwvcm-7&#8242; sc_version=&#8217;1.0&#8242;]<\/p>\n<p>[\/av_cell_one_half][av_cell_one_half vertical_align=&#8217;top&#8217; padding=&#8217;9px,0px,0px,0px&#8217; background=&#8217;bg_color&#8217; background_color=&#8217;#ef5737&#8242; background_gradient_color1=&#8221; background_gradient_color2=&#8221; background_gradient_direction=&#8217;vertical&#8217; src=&#8221; attachment=&#8221; attachment_size=&#8221; background_attachment=&#8217;scroll&#8217; background_position=&#8217;top left&#8217; background_repeat=&#8217;no-repeat&#8217; link=&#8221; linktarget=&#8221; link_hover=&#8221; mobile_display=&#8221; av_uid=&#8217;av-jumkxgop-6&#8242;]<\/p>\n<p>[\/av_cell_one_half][\/av_layout_row][av_layout_row border=&#8221; min_height_percent=&#8221; min_height=&#8217;0&#8242; color=&#8217;main_color&#8217; mobile=&#8217;av-flex-cells&#8217; id=&#8221; av_element_hidden_in_editor=&#8217;0&#8242; mobile_breaking=&#8221; av-desktop-hide=&#8221; av-medium-hide=&#8221; av-small-hide=&#8221; av-mini-hide=&#8221; av_uid=&#8217;av-rr8gnv&#8217;]<br \/>\n[av_cell_two_third vertical_align=&#8217;top&#8217; padding=&#8217;30px&#8217; background=&#8217;bg_color&#8217; background_color=&#8221; background_gradient_color1=&#8221; background_gradient_color2=&#8221; background_gradient_direction=&#8217;vertical&#8217; src=&#8221; background_attachment=&#8217;scroll&#8217; background_position=&#8217;top left&#8217; background_repeat=&#8217;no-repeat&#8217; link=&#8221; linktarget=&#8221; link_hover=&#8221; mobile_display=&#8221; av_uid=&#8217;av-3z0k63&#8242;]<\/p>\n<p>[av_textblock fold_type=&#8221; fold_height=&#8221; fold_more=&#8217;Weiterlesen&#8217; fold_less=&#8217;Read less&#8217; fold_text_style=&#8221; fold_btn_align=&#8221; textblock_styling_align=&#8221; textblock_styling=&#8221; textblock_styling_gap=&#8221; textblock_styling_mobile=&#8221; size=&#8221; av-desktop-font-size=&#8221; av-medium-font-size=&#8221; av-small-font-size=&#8221; av-mini-font-size=&#8221; font_color=&#8221; color=&#8221; fold_overlay_color=&#8221; fold_text_color=&#8221; fold_btn_color=&#8217;theme-color&#8217; fold_btn_bg_color=&#8221; fold_btn_font_color=&#8221; size-btn-text=&#8221; av-desktop-font-size-btn-text=&#8221; av-medium-font-size-btn-text=&#8221; av-small-font-size-btn-text=&#8221; av-mini-font-size-btn-text=&#8221; fold_timer=&#8221; z_index_fold=&#8221; id=&#8221; custom_class=&#8221; template_class=&#8221; av_uid=&#8217;av-2i6nj3p&#8217; sc_version=&#8217;1.0&#8242; admin_preview_bg=&#8221;]<\/p>\n<h2>Minimum standard TLS 1.2 for all routes with TLS<\/h2>\n<p>TLS 1.2 has been defined as the minimum standard for all routes. For TLS versions below this, an error message is displayed, and e-mails cannot be sent or received.<\/p>\n<p>TLS-optional routes remain unaffected by the change: TLS remains optional here.<\/p>\n<h3>Change TLS settings for existing routes<\/h3>\n<p>In the IKARUS portal under mail.security > Inboud \/ Outbound, adjustments can be made for each route.<\/p>\n<p>The use of TLS on inbound routes <strong>to the IKARUS mail server<\/strong> can be changed using the &#8220;Force TLS inbound&#8221; checkbox.<br \/>\n[\/av_textblock]<\/p>\n<p>[\/av_cell_two_third][av_cell_one_third vertical_align=&#8217;top&#8217; padding=&#8217;30px&#8217; background=&#8217;bg_color&#8217; background_color=&#8221; background_gradient_color1=&#8221; background_gradient_color2=&#8221; background_gradient_direction=&#8217;vertical&#8217; src=&#8221; background_attachment=&#8217;scroll&#8217; background_position=&#8217;top left&#8217; background_repeat=&#8217;no-repeat&#8217; link=&#8221; linktarget=&#8221; link_hover=&#8221; mobile_display=&#8221; av_uid=&#8217;av-28cgrbp&#8217;]<\/p>\n<p>[av_image src=&#8217;https:\/\/www.ikarussecurity.com\/wp-content\/uploads\/2023\/11\/01-en.png&#8217; attachment=&#8217;31408&#8242; attachment_size=&#8217;full&#8217; copyright=&#8221; caption=&#8221; image_size=&#8221; styling=&#8221; box_shadow=&#8217;none&#8217; box_shadow_width=&#8217;10&#8217; box_shadow_color=&#8221; align=&#8217;left&#8217; font_size=&#8221; overlay_opacity=&#8217;0.4&#8242; overlay_color=&#8217;#000000&#8242; overlay_text_color=&#8217;#ffffff&#8217; link=&#8221; target=&#8221; animation=&#8217;no-animation&#8217; animation_duration=&#8221; animation_custom_bg_color=&#8221; animation_z_index_curtain=&#8217;100&#8242; parallax_parallax=&#8221; parallax_parallax_speed=&#8221; av-desktop-parallax_parallax=&#8221; av-desktop-parallax_parallax_speed=&#8221; av-medium-parallax_parallax=&#8221; av-medium-parallax_parallax_speed=&#8221; av-small-parallax_parallax=&#8221; 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\/>\n[av_cell_two_third vertical_align=&#8217;top&#8217; padding=&#8217;30px&#8217; background=&#8217;bg_color&#8217; background_color=&#8221; background_gradient_color1=&#8221; background_gradient_color2=&#8221; background_gradient_direction=&#8217;vertical&#8217; src=&#8221; background_attachment=&#8217;scroll&#8217; background_position=&#8217;top left&#8217; background_repeat=&#8217;no-repeat&#8217; link=&#8221; linktarget=&#8221; link_hover=&#8221; mobile_display=&#8221; av_uid=&#8217;av-191iq9h&#8217;]<\/p>\n<p>[av_textblock fold_type=&#8221; fold_height=&#8221; fold_more=&#8217;Weiterlesen&#8217; fold_less=&#8217;Read less&#8217; fold_text_style=&#8221; fold_btn_align=&#8221; textblock_styling_align=&#8221; textblock_styling=&#8221; textblock_styling_gap=&#8221; textblock_styling_mobile=&#8221; size=&#8221; av-desktop-font-size=&#8221; av-medium-font-size=&#8221; av-small-font-size=&#8221; av-mini-font-size=&#8221; font_color=&#8221; color=&#8221; fold_overlay_color=&#8221; 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