A List of SMTP and IMAP Server

Knowledge Base // Email

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This list is without any warranties and not sorted alphabetically.
See also: A List of SMTP and POP3 Mail Server (Mail Server List)

 

 

Default Ports:

Server: Authentication: Port:
SMTP Server (Outgoing Messages) Non-Encrypted AUTH 25 (or 587)
  Secure (TLS) StartTLS 587
  Secure (SSL) SSL 465
IMAP Server (Incoming Messages) Non-Encrypted AUTH 143
  Secure (TLS) StartTLS 143
  Secure (SSL) SSL 993

 

Googlemail - Gmail

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.gmail.com SSL 465
  smtp.gmail.com StartTLS 587
IMAP Server (Incoming Messages) imap.gmail.com SSL 993
  Please make sure, that IMAP access is enabled in the account settings.
Login to your account and enable IMAP.
You also need to enable "less secure apps" (third party apps) in the Gmail settings:
https://support.google.com/accounts/answer/6010255?hl=en

 

Outlook.com

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp-mail.outlook.com StartTLS 587
IMAP Server (Incoming Messages) imap-mail.outlook.com SSL 993

 

Office365.com

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.office365.com StartTLS 587
IMAP Server (Incoming Messages) outlook.office365.com SSL 993
  Note: If the above settings are not working for your account, then login into the outlook web app, go to the "Settings" > "Options" > "Account" > "My Account" > "Settings for POP and IMAP Access".

 

Yahoo Mail

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.mail.yahoo.com SSL 465
IMAP Server (Incoming Messages) imap.mail.yahoo.com SSL 993

 

Yahoo Mail Plus

Server: Authentication: Port:
SMTP Server (Outgoing Messages) plus.smtp.mail.yahoo.com SSL 465
IMAP Server (Incoming Messages) plus.imap.mail.yahoo.com SSL 993

 

Yahoo Mail UK

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.mail.yahoo.co.uk SSL 465
IMAP Server (Incoming Messages) imap.mail.yahoo.co.uk SSL 993

 

Yahoo Mail Deutschland

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.mail.yahoo.com SSL 465
IMAP Server (Incoming Messages) imap.mail.yahoo.com SSL 993

 

Yahoo Mail AU/NZ

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.mail.yahoo.au SSL 465
IMAP Server (Incoming Messages) imap.mail.yahoo.au SSL 993

 

 

AT&T

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.att.yahoo.com SSL 465
IMAP Server (Incoming Messages) imap.att.yahoo.com SSL 993

 

NTL @ntlworld.com

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.ntlworld.com SSL 465
IMAP Server (Incoming Messages) imap.ntlworld.com SSL 993

 

BT Connect

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.btconnect.com   25
IMAP Server (Incoming Messages) imap4.btconnect.com   143

 

O2 Deutschland

Server: Authentication: Port:
SMTP Server (Outgoing Messages) mail.o2online.de   25
IMAP Server (Incoming Messages) imap.o2online.de   143

 

T-Online Deutschland

Server: Authentication: Port:
SMTP Server (Outgoing Messages) securesmtp.t-online.de StartTLS 587
IMAP Server (Incoming Messages) secureimap.t-online.de SSL 993

 

1&1 (1and1)

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.1and1.com StartTLS 587
IMAP Server (Incoming Messages) imap.1and1.com SSL 993

 

1&1 Deutschland

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.1und1.de StartTLS 587
IMAP Server (Incoming Messages) imap.1und1.de SSL 993

 

Verizon

Server: Authentication: Port:
SMTP Server (Outgoing Messages) outgoing.verizon.net   587
IMAP Server (Incoming Messages) incoming.verizon.net   143

 

zoho Mail

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.zoho.com SSL 465
IMAP Server (Incoming Messages) imap.zoho.com SSL 993

 

Mail.com

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.mail.com SSL 465
IMAP Server (Incoming Messages) imap.mail.com SSL 993

 

GMX.com

Server: Authentication: Port:
SMTP Server (Outgoing Messages) smtp.gmx.com SSL 465
IMAP Server (Incoming Messages) imap.gmx.com SSL 993

 

 

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Server: Authentication: Port:
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Disclaimer: The information on this page is provided "as is" without warranty of any kind. Further, Arclab Software 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. See: License Agreement