A List of SMTP and POP3 Server

Knowledge Base // Email

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Default Ports:

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) Non-Encrypted AUTH 25 (or 587)
  Secure (TLS) StartTLS 587
  Secure (SSL) SSL 465
POP3 Server (Incoming Messages) Non-Encrypted AUTH 110
  Secure (SSL) SSL 995

 

This list is without any warranties and not sorted alphabetically.
See also:  A List of SMTP and IMAP Mail Server (Mail Server List)

Googlemail - Gmail

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.gmail.com SSL 465
  smtp.gmail.com StartTLS 587
POP3 Server (Incoming Messages) pop.gmail.com SSL 995

 

 

Yahoo Mail

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.mail.yahoo.com SSL 465
POP3 Server (Incoming Messages) pop.mail.yahoo.com SSL 995

 

Yahoo Mail Plus

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) plus.smtp.mail.yahoo.com SSL 465
POP3 Server (Incoming Messages) plus.pop.mail.yahoo.com SSL 995

 

Yahoo UK

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.mail.yahoo.co.uk SSL 465
POP3 Server (Incoming Messages) pop.mail.yahoo.co.uk SSL 995

 

Yahoo Deutschland

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.mail.yahoo.com SSL 465
POP3 Server (Incoming Messages) pop.mail.yahoo.com SSL 995

 

Yahoo AU/NZ

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.mail.yahoo.com.au SSL 465
POP3 Server (Incoming Messages) pop.mail.yahoo.com.au SSL 995

 

O2

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.o2.ie   25
POP3 Server (Incoming Messages) pop3.o2.ie   110

 

O2.uk

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.o2.co.uk   25
POP3 Server (Incoming Messages) pop3.o2.co.uk   110

 

AOL.com

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.aol.com StartTLS 587
IMAP Server (Incoming Messages) pop.aol.com SSL 995

 

AT&T

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.att.yahoo.com SSL 465
POP3 Server (Incoming Messages) pop.att.yahoo.com SSL 995

 

NTL @ntlworld.com

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.ntlworld.com SSL 465
POP3 Server (Incoming Messages) pop.ntlworld.com SSL 995

 

BT Connect

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) pop3.btconnect.com   25
POP3 Server (Incoming Messages) mail.btconnect.com   110

 

BT Openworld

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) mail.btopenworld.com   25
POP3 Server (Incoming Messages) mail.btopenworld.com   110

 

BT Internet

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) mail.btinternet.com   25
POP3 Server (Incoming Messages) mail.btinternet.com   110

 

Orange

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.orange.net   25
POP3 Server (Incoming Messages) pop.orange.net   110

 

Orange.uk

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.orange.co.uk   25
POP3 Server (Incoming Messages) pop.orange.co.uk   110

 

Wanadoo UK

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.wanadoo.co.uk   25
POP3 Server (Incoming Messages) pop.wanadoo.co.uk   110

 

Hotmail

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.live.com SSL 465
POP3 Server (Incoming Messages) pop3.live.com SSL 995

 

O2 Online Deutschland

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) mail.o2online.de   25
POP3 Server (Incoming Messages) pop.o2online.de   110

 

T-Online Deutschland

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) securesmtp.t-online.de StartTLS 587
POP3 Server (Incoming Messages) securepop.t-online.de SSL 995

 

1&1 (1and1)

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.1and1.com StartTLS 587
POP3 Server (Incoming Messages) pop.1and1.com SSL 995

 

1&1 Deutschland

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.1und1.de StartTLS 587
POP3 Server (Incoming Messages) pop.1und1.de SSL 995

 

Comcast

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.comcast.net   587
POP3 Server (Incoming Messages) mail.comcast.net   110

 

Verizon

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) outgoing.verizon.net SSL 465
POP3 Server (Incoming Messages) incoming.verizon.net SSL 995

 

Verizon (Yahoo hosted)

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) outgoing.yahoo.verizon.net   587
POP3 Server (Incoming Messages) incoming.yahoo.verizon.net   110

 

zoho Mail

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.zoho.com SSL 465
IMAP Server (Incoming Messages) pop.zoho.com SSL 995

 

Mail.com

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.mail.com StartTLS 587
POP3 Server (Incoming Messages) pop.mail.com SSL 995

 

GMX.com

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.gmx.com SSL 465
POP3 Server (Incoming Messages) pop.gmx.com SSL 995

 

Net@ddress by USA.NET

 Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.postoffice.net SSL 465
POP3 Server (Incoming Messages) pop3.postoffice.net SSL 995
Disclaimer: The information, code snippets and samples on this page are provided "as is" without warranty of any kind. Further, Arclab Software OHG does not warrant, guarantee, or make any representations regarding the use, or the results of use, in terms of correctness, accuracy, reliability, currentness, or otherwise.