| Ask any network administrator what is the most | | | | box next to "My outgoing server (SMTP) requires |
| frequent customer question, and the likely answer is | | | | authentication" and below it choose the radio button |
| email. | | | | for "Use the same settings as my incoming mail |
| The most popular email method uses two different | | | | server." |
| services that work together, called POP and SMTP. | | | | Almost every major ISP, including Verizon, Time |
| POP (Post Office Protocol) receives email, and SMTP | | | | Warner, Earthlink, requires a similar configuration. You |
| (Simple Mail Transport Protocol) sends email. Most | | | | can usually find out how to configure Outlook by |
| people don't have trouble receiving email, and when | | | | looking in the support section of the ISP's website. |
| they do it's usually because someone sent them a | | | | (To no surprise, the sections covering email are |
| huge file, but problems with sending email are far | | | | usually very extensive and include screenshots.) or by |
| more common. | | | | calling the ISP's support department. |
| This is because the majority of large Internet service | | | | A problem with using the ISP's email settings is they |
| providers have set up safeguards in an effort to limit | | | | will only work when you are on that network. If you |
| the amount of unsolicited email on their networks. | | | | decide to bring your laptop to Starbucks or the |
| Unfortunately, these safeguards often cause | | | | office, you will need to change the SMTP |
| problems for legitimate users. For example, | | | | configuration again. |
| Cablevision's Optimum Online service, will only allow | | | | But there is a way to work around the SMTP issue. |
| outgoing email using its own SMTP server, | | | | Google allows Outlook users to send and receive |
| mail.optonline.com, which works on the default SMTP | | | | email using POP and SMTP with its Gmail service. |
| server setting,TCP port 25. | | | | Gmail avoids the default SMTP port 25 used by all |
| So if you tried to send out email from your company | | | | the bigISPs and instead uses TCP port 465 for SMTP. |
| laptop on an Optimum Online without using the | | | | For incoming email using POP, Gmail uses TCP port |
| Optonline SMTP server, your email would be stuck in | | | | 995 rather than the standard TCP port 110. |
| the outgoing mailbox and you will probably get error | | | | Gmail accounts are free and also have excellent spam |
| messages referring to the SMTP server. | | | | filtering. If you need a second personal email account |
| Changing the SMTP address in your email program is | | | | of if you want to switch your primary email to |
| a straightforward process. If you are using Microsoft | | | | another provider and not have worry about whether |
| Outlook or Outlook Express, locate "Tools" from the | | | | you can send and receive email on a certain network, |
| top menu and then select "E-Mail Accounts" or | | | | Gmail is an excellent choice. |
| "Accounts" depending on the version you are using. | | | | So the next time, you plug your laptop into a new |
| Then select the email account you want to access. | | | | network and start getting email errors, the first place |
| Next hit the "Change" button and you will see the | | | | to look is the SMTP settings. |
| text area where you can change the SMTP address. | | | | This is a list of SMTP settings for a few of the larger |
| (Note that all versions of Outlook and Outlook | | | | ISPs. |
| Express have different layouts, but the SMTP | | | | Time Warner (Roadrunner) AT&T |
| settings is always found in the "Tools > Accounts" | | | | imailhost.worldnet.att.net (DSL) mailhost.att.net |
| menu.) | | | | (Dial-up) |
| In the case of Optimum Online, we will need to the | | | | Comcast smtp.comcast.net |
| change the SMTP address to "mail.optonline.net". We | | | | EarthLink smtpauth.earthlink.net |
| also had to click on the "More Settings" button, which | | | | MSN Mindspring Netzero smtp.netzero.net |
| opened up a tabbed menu, from which we selected | | | | Optimum Online (CableVision) mail.optonline.net |
| the "Outgoing Server". We then selected thecheck | | | | Verizon outgoing.verizon.net or smtpout.verizon. |