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faq:email:secure_imap_pop3_smtp_faq

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faq:email:secure_imap_pop3_smtp_faq [2019/08/06 09:58]
vikki
faq:email:secure_imap_pop3_smtp_faq [2019/11/07 11:42]
vikki
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-=== Q: What is the deferent between SSL and STARTTLS? ===+=== Q: What is the difference between SSL and STARTTLS? ===
 A: SSL is easier to configure as it is usually associated with a dedicated port number - although you need to get the port number right as SSL will be assumed running at the port. You cannot connect to port 110 with SSL for example, as the port has been reserved for plain POP3 connection (the secure POP3 port is at 995). Where STARTTLS is more advance since it is usually supported at the original ports (110 for POP3, 143 for IMAP, 25 and 587 for STMP etc). Connection to these "standard ports" will have to go with STARTTLS as it is more like a hybrid connection that starts as plain, switching to SSL after the connection is established. AfterOffice offers both SSL and STARTTLS at related ports. A: SSL is easier to configure as it is usually associated with a dedicated port number - although you need to get the port number right as SSL will be assumed running at the port. You cannot connect to port 110 with SSL for example, as the port has been reserved for plain POP3 connection (the secure POP3 port is at 995). Where STARTTLS is more advance since it is usually supported at the original ports (110 for POP3, 143 for IMAP, 25 and 587 for STMP etc). Connection to these "standard ports" will have to go with STARTTLS as it is more like a hybrid connection that starts as plain, switching to SSL after the connection is established. AfterOffice offers both SSL and STARTTLS at related ports.
  
faq/email/secure_imap_pop3_smtp_faq.txt ยท Last modified: 2019/12/19 15:18 by ziyu