My ISP Blocks port 25 for SMTP Outgoing Mail

You may use port 26 for your SMTP outgoing mail setting. You can make the adjustment in your email program of choice. WebzPro allows the use of both ports 25 and 26 for sending out going mail.

Below is a list of ISPâ€TMs that currently restrict port 25 in some way.

 

. @Home

. Adelphia

. AltaVista Free Access

. Alltell

. Atlantic Broadband

. AOL International ***

. Ameritech

. AT&T BI

. AT&T Worldnet ****

. Arch Broadband

. Bell Canada

. Bell Internet

. Bell Sympatico

. Bell South

. Bell, Southwestern

. Bell, Pacific / Pacbell

. Bigpond

. Broadwing

. CableAmerica

. Cableone

. Cablevision ** ***

. Charter

. Citlink

. Coax

. Comcast ** ***

. Consolidated Communications

. Cox

. DCAnet

. DSLExtreme

. Earthlink *****

. Epix

. Erols

. Etisalat

. Flashnet

. Frontiernet

. Fuse Dialup/NET

. GTE

. Highstream

. IONet

. Joi

. Juno

. Knology.net

. MCI

. MediaOne

. Mindspring

. MSN ***

. Nebi

. Netcom

. Netzero

. Newnorth

. Newsouth - Renamed to NuVox

. NuVox - Reseller of BellSouth

. Optimum Online ** ***

. Panix

. PeoplePC

. Prodigy

. Quixnet

. RoadRunner (New York City Area)*

. RCN

. SBC Global

. Sprynet

. Speakeasy

. SpeedneT

. Sprint *****

. Starpower

. The-Beach

. T-Mobile *****

. uu.net

. Verio

. Verizon ***

. Videotron - Canada

. Worldcom

. Yahoo / SBC Global

. Yourlink

. ZoomTown

 

*(regional rules apply, check with your ISP)

**(filters some webhosting providers for both POP and SMTP)

***(cannot use their outgoing SMTP to relay domains other than their own)

****(limited blocking, sometimes they will enable customer as per customer's
request)

*****(may reroute outbound SMTP back to their own SMTP server)

 

 

 

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