Recent content by rout3rx

this is good https://support.plesk.com/hc/en-us/articles/115000145989-How-to-restrict-the-field-From-mismatch-for-emails-and-prevent-outbound-mail-spoofing-

no body answer me?

hello as a picture bellow i my plesk mail server, non-existence@domain.com could send email to existence users! how can i block ? in the picture bellow user : 2221 is not valid but can send email! please help. thanks

hello sorry for new post, have this problem resolved for all of you?

Hi, i added all of the configurations that explain in threads in another server, but mr dash says, i check the reject_authenticated_sender_login_mismatch on the raw and fresh postfix configuration. i has been removed "," at the end of smtpd_Sender_restrications but, still i can send email with...

of course dear this is my main.cf content : readme_directory = /usr/share/doc/postfix-2.11.5/README_FILES #smtpd_sender_login_maps = hash:/var/spool/postfix/plesk/virtual smtpd_client_restrictions = permit_mynetworks, permit_sasl_authenticated smtpd_sender_restrictions = check_sender_access...

thanks, but it reject invalid users on valid domains. for example : info@plesk.com > passed , info1@plesk.com > failed but support@plesk.com can set for From on every authenticated users!

this means there is no way to remediate this?:( it's a security problem! some services like gmail or yahoo fix this! can you give me a patch or any configuration to solve this for now? thanks

thanks LIoyd i have this restrication too.

after a long research and ask questions in other forums, I found a way but it worked Conversely! smtpd_sender_login_maps=hash:/var/spool/postfix/plesk/virtual smtpd_sender_restrictions = reject_sender_login_mismatch by default i should can reject every emails that not listed in...

yes i use 995 in default mode. i switched to qmail but problem is exists unfortunatly do you have this problem on your plesk ? i think i should change a configuration in postfix configurations...

thanks for your explain i can not disable pop3 option as my customers needs, checking the validity of users just worked when i disabled pop3 options but after that i cannot send any email address and it's return back with relay accesss denied. i think there is no solution for securing relay on...

do you know that command, i check the permissions on mssql but everythings are ok

thanks trialotto I add 127.0.0.0/128 , ::1/128 and my server ip/32 in whitelist then i removed the "POP3 before SMTP lock time ... minutes". after that i can not send email with fake email addresses but with the valid email addresses i get the : '.....@gmail.com' on 6/13/2016 9:28 AM Server...

thanks please find the attachment. if i should to change any setting please told me. thanks a lot