[GH-ISSUE #5029] Port 25 Timeout #3959

Closed
opened 2026-05-05 14:31:10 -06:00 by gitea-mirror · 2 comments
Owner

Originally created by @burakertr on GitHub (Oct 25, 2025).
Original GitHub issue: https://github.com/fatedier/frp/issues/5029

Bug Description

Hello I have set port 25,587 and 465 as frps and frpc accordingly but while I try to send email I get timeout where the usual request should go over frp but actually not going through it. Recieveing mails is just fine. What could be the problem?

frpc Version

0.63

frps Version

0.63

System Architecture

linux/amd64

Configurations

[common]
server_addr = x.x.x.x
server_port = 7001
authentication_token = xxx
tls_enable = true

SMTP ports

[smtp_25]
type = tcp
local_ip = 127.0.0.1
local_port = 25
remote_port = 25

[smtp_465]
type = tcp
local_ip = 127.0.0.1
local_port = 465
remote_port = 465

[smtp_587]
type = tcp
local_ip = 127.0.0.1
local_port = 587
remote_port = 587

Logs

No response

Steps to reproduce

...

Affected area

  • Docs
  • Installation
  • Performance and Scalability
  • Security
  • User Experience
  • Test and Release
  • Developer Infrastructure
  • Client Plugin
  • Server Plugin
  • Extensions
  • Others
Originally created by @burakertr on GitHub (Oct 25, 2025). Original GitHub issue: https://github.com/fatedier/frp/issues/5029 ### Bug Description Hello I have set port 25,587 and 465 as frps and frpc accordingly but while I try to send email I get timeout where the usual request should go over frp but actually not going through it. Recieveing mails is just fine. What could be the problem? ### frpc Version 0.63 ### frps Version 0.63 ### System Architecture linux/amd64 ### Configurations [common] server_addr = x.x.x.x server_port = 7001 authentication_token = xxx tls_enable = true # SMTP ports [smtp_25] type = tcp local_ip = 127.0.0.1 local_port = 25 remote_port = 25 [smtp_465] type = tcp local_ip = 127.0.0.1 local_port = 465 remote_port = 465 [smtp_587] type = tcp local_ip = 127.0.0.1 local_port = 587 remote_port = 587 ### Logs _No response_ ### Steps to reproduce 1. 2. 3. ... ### Affected area - [ ] Docs - [ ] Installation - [ ] Performance and Scalability - [ ] Security - [x] User Experience - [ ] Test and Release - [ ] Developer Infrastructure - [ ] Client Plugin - [ ] Server Plugin - [ ] Extensions - [ ] Others
gitea-mirror 2026-05-05 14:31:10 -06:00
Author
Owner

@fatedier commented on GitHub (Oct 27, 2025):

We are unable to troubleshoot or resolve issues related to other applications.

<!-- gh-comment-id:3449348120 --> @fatedier commented on GitHub (Oct 27, 2025): We are unable to troubleshoot or resolve issues related to other applications.
Author
Owner

@github-actions[bot] commented on GitHub (Nov 11, 2025):

Issues go stale after 14d of inactivity. Stale issues rot after an additional 3d of inactivity and eventually close.

<!-- gh-comment-id:3514489076 --> @github-actions[bot] commented on GitHub (Nov 11, 2025): Issues go stale after 14d of inactivity. Stale issues rot after an additional 3d of inactivity and eventually close.
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Reference: github-starred/frp#3959
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