I am honored to receive your reply! My VPN provider mentioned in their terms of use that email spamming is prohibited, but it seems that email forwarding is not prohibited. Their IP reputation also doesn’t seem to be blacklisted. I still want to try using a SOCKS5 proxy. The previous email mentioned that I tried to connect to Google’s MTA port 25 through a VPN based on a SOCKS5 proxy. (see [pfx] Socksifying Postfix (mail-archive.com)<https://www.mail-archive.com/postfix-users@postfix.org/msg103354.html>) (By the way, I would like to know how to reply to emails from the Postfix-user mailing list so that my responses appear in the corresponding location in the online archives. I have noticed that directly replying to emails seems to open a new thread, which make a mess)
I wonder if it is possible to integrate Proxychains or other socks5 protocal tool at some stage in Postfix to easily implement SOCKS5 proxy for SMTP traffic? I just want to try to fight against the ISP that blocks port 25 :-) Any help would be greatly appreciated. ________________________________ From: John Levine via Postfix-users <postfix-users@postfix.org> Sent: Monday, August 26, 2024 10:32 To: postfix-users@postfix.org <postfix-users@postfix.org> Cc: postfix-us...@dukhovni.org <postfix-us...@dukhovni.org> Subject: [pfx] Re: ת��: Sending mail through vpn on postfix It appears that Viktor Dukhovni via Postfix-users <postfix-us...@dukhovni.org> said: >> I'm deploying postfix on my vps, but my ISP has blocked outbound >> traffic on port 25. ... >You're unlikely to have much success routing mail through a 3rd-party >VPN. The IP reputation of the VPN outbound hosts is likely quite poor, >unless the VPN operator requires a substantial bond that is forfeited in >case of abuse. Many of the VPNs I know also block port 25 exactly to prevent this kind of stuff. There is a reason they make it so hard to send mail -- most of the mail coming from random VPS and random VPN clients is spam. If you want to send mail, find a VPS provider who will unblock port 25 so you can send mail. They do exist. R's, John _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
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